81_FR_43611 81 FR 43483 - Airworthiness Directives; The Boeing Company Airplanes

81 FR 43483 - Airworthiness Directives; The Boeing Company Airplanes

DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration

Federal Register Volume 81, Issue 128 (July 5, 2016)

Page Range43483-43488
FR Document2016-15291

We are superseding Airworthiness Directive (AD) 2012-12-04, for certain The Boeing Company Model 737-300, -400, and -500 series airplanes. AD 2012-12-04 required repetitive external detailed inspections and nondestructive inspections to detect cracks in the fuselage skin along the chem-mill steps at stringers S-1 and S-2R, between station (STA) 400 and STA 460, and repair if necessary. This new AD requires a preventive modification of the fuselage skin at crown stringers S-1 and S-2R. This new AD also reduces the inspection threshold for certain airplanes. This AD was prompted by a determination that, for certain airplanes, the skin pockets adjacent to the Air Traffic Control (ATC) antenna are susceptible to widespread fatigue damage. We are issuing this AD to detect and correct fatigue cracking of the fuselage skin panels at the chem-mill steps, which could result in sudden fracture and failure of the fuselage skin panels, and consequent rapid decompression of the airplane.

Federal Register, Volume 81 Issue 128 (Tuesday, July 5, 2016)
[Federal Register Volume 81, Number 128 (Tuesday, July 5, 2016)]
[Rules and Regulations]
[Pages 43483-43488]
From the Federal Register Online  [www.thefederalregister.org]
[FR Doc No: 2016-15291]


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DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39

[Docket No. FAA-2015-3628; Directorate Identifier 2015-NM-025-AD; 
Amendment 39-18574; AD 2016-13-10]
RIN 2120-AA64


Airworthiness Directives; The Boeing Company Airplanes

AGENCY: Federal Aviation Administration (FAA), DOT.

ACTION: Final rule.

-----------------------------------------------------------------------

SUMMARY: We are superseding Airworthiness Directive (AD) 2012-12-04, 
for certain The Boeing Company Model 737-300, -400, and -500 series 
airplanes. AD 2012-12-04 required repetitive external detailed 
inspections and nondestructive inspections to detect cracks in the 
fuselage skin along the chem-mill steps at stringers S-1 and S-2R, 
between station (STA) 400 and STA 460, and repair if necessary. This 
new AD requires a preventive modification of the fuselage skin at crown 
stringers S-1 and S-2R. This new AD also reduces the inspection 
threshold for certain airplanes. This AD was prompted by a 
determination that, for certain airplanes, the skin pockets adjacent to 
the Air Traffic Control (ATC) antenna are susceptible to widespread 
fatigue damage. We are issuing this AD to detect and correct fatigue 
cracking of the fuselage skin panels at the chem-mill steps, which 
could result in sudden fracture and failure of the fuselage skin 
panels, and consequent rapid decompression of the airplane.

DATES: This AD is effective August 9, 2016.
    The Director of the Federal Register approved the incorporation by 
reference of a certain publication listed in this AD as of August 9, 
2016.
    The Director of the Federal Register approved the incorporation by 
reference of a certain other publication listed in

[[Page 43484]]

this AD as of July 23, 2012 (77 FR 36134, June 18, 2012).

ADDRESSES: For service information identified in this final rule, 
contact Boeing Commercial Airplanes, Attention: Data & Services 
Management, P.O. Box 3707, MC 2H-65, Seattle, WA 98124-2207; telephone 
206-544-5000, extension 1; fax 206-766-5680; Internet https://www.myboeingfleet.com. You may view this referenced service information 
at the FAA, Transport Airplane Directorate, 1601 Lind Avenue SW., 
Renton, WA. For information on the availability of this material at the 
FAA, call 425-227-1221. It is also available on the Internet at https://www.regulations.gov by searching for and locating Docket No. FAA-2015-
3628.

Examining the AD Docket

    You may examine the AD docket on the Internet at http://www.regulations.gov. by searching for and locating Docket No. FAA-2015-
3628; or in person at the Docket Management Facility between 9 a.m. and 
5 p.m., Monday through Friday, except Federal holidays. The AD docket 
contains this AD, the regulatory evaluation, any comments received, and 
other information. The address for the Docket Office (phone: 800-647-
5527) is Docket Management Facility, U.S. Department of Transportation, 
Docket Operations, M-30, West Building Ground Floor, Room W12-140, 1200 
New Jersey Avenue SE., Washington, DC 20590.

FOR FURTHER INFORMATION CONTACT: Jennifer Tsakoumakis, Aerospace 
Engineer, Airframe Branch, ANM-120L, FAA, Los Angeles Aircraft 
Certification Office (ACO), 3960 Paramount Boulevard, Lakewood, CA 
90712-4137; phone: 562-627-5264; fax: 562-627-5210; email: 
[email protected].

SUPPLEMENTARY INFORMATION: 

Discussion

    We issued a notice of proposed rulemaking (NPRM) to amend 14 CFR 
part 39 to supersede AD 2012-12-04, Amendment 39-17083 (77 FR 36134, 
June 18, 2012) (``AD 2012-12-04''). AD 2012-12-04 applied to certain 
The Boeing Company Model 737-300, -400, and -500 series airplanes. The 
NPRM published in the Federal Register on September 14, 2015 (80 FR 
55045) (``the NPRM''). The NPRM was prompted by a determination that, 
for certain airplanes, the skin pockets adjacent to the ATC antenna are 
susceptible to widespread fatigue damage. The NPRM proposed to continue 
to require repetitive external detailed inspections and nondestructive 
inspections to detect cracks in the fuselage skin along the chem-mill 
steps at stringers S-1 and S-2R, between STA 400 and STA 460, and 
repair if necessary. The NPRM also proposed to require a preventive 
modification of the fuselage skin at crown stringers S-1 and S-2R. In 
addition, the NPRM proposed to revise certain compliance times. We are 
issuing this AD to detect and correct fatigue cracking of the fuselage 
skin panels at the chem-mill steps, which could result in sudden 
fracture and failure of the fuselage skin panels, and consequent rapid 
decompression of the airplane.

Comments

    We gave the public the opportunity to participate in developing 
this AD. The following presents the comments received on the NPRM and 
the FAA's response to each comment.

Requests To Clarify Compliance Time Changes

    Boeing asked that we change the NPRM preamble, which stated that 
the proposed AD would reduce the inspection thresholds ``and repetitive 
intervals'' for certain airplanes. Boeing stated that the repetitive 
inspection intervals specified in Boeing Alert Service Bulletin 737-
53A1293, Revision 3, dated January 23, 2015, remain unchanged from the 
previous version of the service information, which was mandated by AD 
2012-12-04. Boeing added that Boeing Alert Service Bulletin 737-
53A1293, Revision 3, dated January 23, 2015, reduced only the 
inspection threshold for those airplanes.
    We agree with the commenter's request for the reason provided. We 
have changed the language in the SUMMARY of this final rule 
accordingly.

Request To Clarify Acceptable Previous Alternative Methods of 
Compliance (AMOCs)

    Boeing and Southwest Airlines (SWA) asked that we revise paragraph 
(l)(4) of the proposed AD. Boeing requested that we state that AMOCs 
approved for AD 2012-12-04 are approved as AMOCs for ``all 
corresponding requirements''--instead of just the requirements of 
paragraph (g)--of the proposed AD. Boeing stated that this proposed 
change matches the wording in paragraph (l)(4) of AD 2012-12-04. SWA 
added that paragraph (l)(4) of the proposed AD does not provide credit 
for AMOCs approved for the actions specified in paragraphs (f) and (g) 
of AD 2008-19-03, Amendment 39-15670 (73 FR 56958, October 1, 2008) 
(``AD 2008-19-03''). (AD 2008-19-03 was superseded by AD 2012-12-04.)
    We agree to revise paragraph (n)(4) of this AD (paragraph (l)(4) of 
the proposed AD) to specify that AMOCs approved for AD 2012-12-04 are 
approved as AMOCs for all the corresponding provisions of this AD.
    It is not necessary, however, to state that AMOCs approved for AD 
2008-19-03 are approved for the requirements of this AD. When AD 2008-
19-03 was superseded, the corresponding provisions of AD 2008-19-03 
were retained in AD 2012-12-04. Therefore, no change to this final rule 
is necessary in this regard.

Request To Separate Certain Actions for Clarification

    Boeing, ASL Airlines France, and SWA asked that we clarify the 
requirements of paragraph (h) of the proposed AD by separating the 
actions into two core paragraphs: One paragraph for ``Repairs'' and one 
paragraph for the ``Preventive Modification.'' Boeing stated that 
tables 1, 2, and 3 of Boeing Alert Service Bulletin 737-53A1293, 
Revision 3, dated January 23, 2015, address the repair and preventive 
modification instructions for Group 1 airplanes, and table 5 addresses 
repair instructions for Group 2 airplanes; therefore table 5 should not 
be included in paragraph (h)(2) of the proposed AD. Boeing also stated 
that Note (e) of tables 1, 2, and 3 of Boeing Alert Service Bulletin 
737-53A1293, Revision 3, dated January 23, 2015, provides a terminating 
action provision for the repetitive inspections under the installed 
preventive modification doubler; therefore a terminating action should 
be added to paragraph (h)(2) of the proposed AD. ASL Airlines France 
stated that, as written, paragraph (h) of the proposed AD is confusing 
because it would require the preventive modification specified in 
paragraph (h)(2) of the proposed AD to be installed only if cracking is 
found. SWA stated that Boeing Alert Service Bulletin 737-53A1293, 
Revision 3, dated January 23, 2015, does not provide repair 
instructions for cracks found in four or more tear strap bays and 
certain other conditions, as specified in figure 6 or figure 8 of the 
Accomplishment Instructions. SWA asked that a provision be added to 
paragraph (h)(2) of the proposed AD to allow for both new and existing 
repairs to remain on the airplane if the repair covers all eight chem-
mill step inspection areas between STA 410 and STA 450, if approved by 
the FAA or a Boeing-approved representative.

[[Page 43485]]

    We agree with the commenters' requests for the reasons provided. We 
have separated paragraph (h) of the proposed AD into paragraphs (h) and 
(i) of this AD to clarify the actions identified by the commenters (and 
have redesignated subsequent paragraphs accordingly).

Request To Add Exception for the Preventive Modification

    Boeing asked that we add a new exception to address the preventive 
modification. Boeing stated that paragraph (j)(3) of the proposed AD 
addresses repairs, and a similar paragraph needs to be added to address 
the preventive modification specified in Part 9 of the Accomplishment 
Instructions of Boeing Alert Service Bulletin 737-53A1293, Revision 3, 
dated January 23, 2015; Part 9 specifies contacting Boeing for 
preventive modification instructions. Boeing added that the new 
exception should be done using a method approved by the FAA or a Boeing 
approved representative.
    We agree with the commenter's request. Part 9 of the Accomplishment 
Instructions of Boeing Alert Service Bulletin 737-53A1293, Revision 3, 
dated January 23, 2015, specifies contacting Boeing for modification 
instructions if an existing repair is installed that was not 
accomplished in accordance with Boeing Alert Service Bulletin 737-
53A1293, Revision 3, dated January 23, 2015. We have revised paragraph 
(l)(3) of this AD (paragraph (j)(3) of the proposed AD) to include the 
exception to account for the preventive modification.

Effect of Winglets on Accomplishment of the Proposed Actions

    Aviation Partners Boeing stated that accomplishing the supplemental 
type certificate (STC) ST01219SE does not affect the actions specified 
in the NPRM.
    We agree with the commenter. We have redesignated paragraph (c) of 
the proposed AD as (c)(1) and added new paragraph (c)(2) to this AD to 
state that installation of STC ST01219SE (http://rgl.faa.gov/Regulatory_and_Guidance_Library/rgstc.nsf/0/BE866B732F6CF31086257B9700692796?OpenDocument&Highlight=st01219se) does 
not affect the ability to accomplish the actions required by this final 
rule. Therefore, for airplanes on which STC ST01219SE is installed, a 
``change in product'' AMOC approval request is not necessary to comply 
with the requirements of 14 CFR 39.17.

Request To Restate the Optional Modification in AD 2012-12-04

    Boeing and Al Nippon Airways (ANA) asked that the optional 
modification specified in paragraph (i) of AD 2012-12-04 be restated in 
this AD. The commenters stated that Section 1.F., ``Approval'' of 
Boeing Alert Service Bulletin 737-53A1305, Revision 1, dated September 
19, 2012, includes approval of the accomplishment of the inspections 
and modifications, in accordance with that service information for the 
modified area only, as a method of compliance with the modification 
specified in paragraph (i) of AD 2012-12-04. The commenters added that 
since the optional modification is not restated in the proposed AD, 
this approval is now eliminated.
    We agree with the commenters for the reasons provided. We have 
restated the optional modification in new paragraph (j) of this AD 
(paragraph (i) of AD 2012-12-04), and redesignated subsequent 
paragraphs accordingly.

Request To Clarify the Extent of AMOC Approvals

    Boeing asked whether AMOCs would be considered for ``preventive 
modifications,'' in addition to repairs, in paragraph (l)(3) of the 
proposed AD. Boeing stated that adding this would address the AMOC 
requirement for the mandatory preventive modification.
    We agree with the commenter's request because deviations to the 
mandated preventive modification are possible. Therefore, we have added 
``modification'' (as well as ``alteration'') to paragraph (n)(3) of 
this AD (paragraph (l)(3) of the proposed AD).

Request To Clarify Exception

    ASL Airlines France asked that we clarify the reference in 
paragraph 1.E., ``Compliance,'' of Boeing Alert Service Bulletin 737-
53A1293, Revision 3, dated January 23, 2015, specified in the 
``Condition'' columns. The commenter stated that the flight-cycle 
compliance time referred to in these columns specifies ``at the 
Revision 3 date of this service bulletin'' instead of ``as of the 
effective date of this AD.'' The commenter asked that we include a new 
paragraph to clarify that ``as of the effective date of this AD'' 
should be used for compliance throughout the proposed AD.
    We acknowledge the commenter's concern; however, paragraph (l)(1) 
of the proposed AD already addressed this difference; paragraph (j)(2) 
of this AD retains this provision. Therefore, no change to this AD is 
necessary in this regard.

Request To Correct Typographical Errors

    Boeing and ASL Airlines France asked that we correct the paragraph 
reference in Note 1 to paragraph (i) of the proposed AD and in 
paragraph (j)(3) of the proposed AD. The commenters stated that these 
are typographical errors.
    The information in Note 1 to paragraph (i) of the proposed AD has 
been included in paragraph (j) of this final rule (paragraph (i) of the 
proposed AD), therefore ``Note 1'' no longer exists. In light of this, 
the requested correction is not necessary in this regard. We have 
corrected the reference in paragraph (j)(3) of the proposed AD 
(paragraph (l)(3) of this AD) accordingly.

Change to Paragraph (k) of This AD

    We have revised the language in paragraph (k) of this AD (paragraph 
(i) in the proposed AD) to clarify that the post-repair/post-
modification inspections are airworthiness limitations that are 
required by maintenance and operational rules; therefore, these 
inspections are not required by this AD.

Conclusion

    We reviewed the relevant data, considered the comments received, 
and determined that air safety and the public interest require adopting 
this AD with the changes described previously and minor editorial 
changes. We have determined that these minor changes:
     Are consistent with the intent that was proposed in the 
NPRM for correcting the unsafe condition; and
     Do not add any additional burden upon the public than was 
already proposed in the NPRM.
    We also determined that these changes will not increase the 
economic burden on any operator or increase the scope of this AD.

Related Service Information Under 1 CFR Part 51

    We reviewed Boeing Alert Service Bulletin 737-53A1293, Revision 3, 
dated January 23, 2015. The service information describes procedures 
for repetitive external detailed inspections and non-destructive 
inspections to detect cracks in the fuselage skin along the chem-mill 
steps at stringers S-1 and S-2R, between STA 400 and STA 460, and 
repair of any cracking. The service information also describes 
procedures for a modification of the chem-mill steps at the locations 
identified, including related investigative actions and corrective 
actions, and repetitive post-mod inspections. This service information 
is reasonably available

[[Page 43486]]

because the interested parties have access to it through their normal 
course of business or by the means identified in the ADDRESSES section.

Costs of Compliance

    We estimate that this AD affects 186 airplanes of U.S. registry.
    We estimate the following costs to comply with this AD:

                                                 Estimated Costs
----------------------------------------------------------------------------------------------------------------
                                                                                                 Cost on U.S.
              Action                    Labor cost        Parts cost      Cost per product        operators
----------------------------------------------------------------------------------------------------------------
Retained inspections from AD 2012- Between 7 and 15                 $0  Between $595 and     Between $110,670
 12-04.                             work-hours x $85                     $1,275 per           and $237,150 per
                                    per hour,                            inspection cycle.    inspection cycle.
                                    depending on
                                    airplane
                                    configuration =
                                    between $595 and
                                    $1,275 per
                                    inspection cycle.
New modification.................  236 work-hours x                  1  $20,060............  $3,731,160.
                                    $85 per hour =
                                    $20,060.
----------------------------------------------------------------------------------------------------------------
\1\ We currently have no specific cost estimates associated with the parts necessary for the modification. We
  cannot determine the cost of the materials because the modification parts must be sized at the time the
  modification is installed, taking into account any existing repairs in the area.

    We have received no definitive data that enables us to provide a 
cost estimate for the on-condition actions specified in this AD.

Authority for This Rulemaking

    Title 49 of the United States Code specifies the FAA's authority to 
issue rules on aviation safety. Subtitle I, Section 106, describes the 
authority of the FAA Administrator. Subtitle VII, Aviation Programs, 
describes in more detail the scope of the Agency's authority.
    We are issuing this rulemaking under the authority described in 
Subtitle VII, Part A, Subpart III, Section 44701, ``General 
requirements.'' Under that section, Congress charges the FAA with 
promoting safe flight of civil aircraft in air commerce by prescribing 
regulations for practices, methods, and procedures the Administrator 
finds necessary for safety in air commerce. This regulation is within 
the scope of that authority because it addresses an unsafe condition 
that is likely to exist or develop on products identified in this 
rulemaking action.

Regulatory Findings

    We have determined that this AD will not have federalism 
implications under Executive Order 13132. This AD will not have a 
substantial direct effect on the States, on the relationship between 
the national government and the States, or on the distribution of power 
and responsibilities among the various levels of government.
    For the reasons discussed above, I certify that this AD:
    (1) Is not a ``significant regulatory action'' under Executive 
Order 12866,
    (2) Is not a ``significant rule'' under DOT Regulatory Policies and 
Procedures (44 FR 11034, February 26, 1979),
    (3) Will not affect intrastate aviation in Alaska, and
    (4) Will not have a significant economic impact, positive or 
negative, on a substantial number of small entities under the criteria 
of the Regulatory Flexibility Act.

List of Subjects in 14 CFR Part 39

    Air transportation, Aircraft, Aviation safety, Incorporation by 
reference, Safety.

Adoption of the Amendment

    Accordingly, under the authority delegated to me by the 
Administrator, the FAA amends 14 CFR part 39 as follows:

PART 39--AIRWORTHINESS DIRECTIVES

0
1. The authority citation for part 39 continues to read as follows:

    Authority: 49 U.S.C. 106(g), 40113, 44701.


Sec.  39.13  [Amended]

0
2. The FAA amends Sec.  39.13 by removing Airworthiness Directive (AD) 
2012-12-04, Amendment 39-17083 (77 FR 36134, June 18, 2012), and adding 
the following new AD:

2016-13-10 The Boeing Company: Amendment 39-18574; Docket No. FAA-
2015-3628; Directorate Identifier 2015-NM-025-AD.

(a) Effective Date

    This AD is effective August 9, 2016.

(b) Affected ADs

    This AD replaces AD 2012-12-04, Amendment 39-17083 (77 FR 36134, 
June 18, 2012) (``AD 2012-12-04'').

(c) Applicability

    (1) This AD applies to The Boeing Company Model 737-300, -400, 
and -500 series airplanes, certificated in any category, as 
identified in Boeing Alert Service Bulletin 737-53A1293, Revision 3, 
dated January 23, 2015.
    (2) Installation of Supplemental Type Certificate (STC) 
ST01219SE (http://rgl.faa.gov/Regulatory_and_Guidance_Library/rgstc.nsf/0/BE866B732F6CF31086257B9700692796?OpenDocument&Highlight=st01219se) 
does not affect the ability to accomplish the actions required by 
this AD. Therefore, for airplanes on which STC ST01219SE is 
installed, a ``change in product'' alternative method of compliance 
(AMOC) approval request is not necessary to comply with the 
requirements of 14 CFR 39.17.

(d) Subject

    Air Transport Association (ATA) of America Code 53, Fuselage.

(e) Unsafe Condition

    This AD was prompted by reports of cracks found on the fuselage 
skin at the chem-mill steps, and the determination that, for certain 
airplanes, the skin pockets adjacent to the Air Traffic Control 
antenna are susceptible to widespread fatigue damage. We are issuing 
this AD to detect and correct fatigue cracking of the fuselage skin 
panels at the chem-mill steps, which could result in sudden fracture 
and failure of the fuselage skin panels, and consequent rapid 
decompression of the airplane.

(f) Compliance

    Comply with this AD within the compliance times specified, 
unless already done.

(g) Inspections

    At the applicable time specified in tables 1, 2, 3, and 5 of 
paragraph 1.E., ``Compliance,'' of Boeing Alert Service Bulletin 
737-53A1293, Revision 3, dated January 23, 2015, except as required 
by paragraphs (l)(1) and (l)(2) of this AD: Do the actions specified 
in paragraphs (g)(1) and (g)(2) of this AD, in accordance with the 
Accomplishment Instructions of Boeing Alert Service Bulletin 737-
53A1293, Revision 3, dated January 23, 2015, except as required by 
paragraph (l)(3) of this AD. Repeat the applicable inspections 
thereafter at the applicable times specified in paragraph 1.E., 
``Compliance,'' of Boeing Alert Service Bulletin 737-53A1293, 
Revision 3, dated January 23, 2015.

[[Page 43487]]

    (1) Do an external detailed inspection for cracking of the 
fuselage skin chem-mill steps.
    (2) Do an external non-destructive (medium frequency eddy 
current, magneto optical imaging, C-Scan, or ultrasonic phased 
array) inspection for cracking of the fuselage skin chem-mill steps.

(h) Repair

    If any cracking is found during any inspection required by 
paragraph (g) of this AD, do the applicable actions specified in 
paragraph (h)(1), (h)(2), or (h)(3) of this AD.
    (1) Repair before further flight in accordance with Part 2 (for 
Group 1 airplanes) or Part 7 (for Group 2 airplanes) of the 
Accomplishment Instructions of Boeing Alert Service Bulletin 737-
53A1293, Revision 3, dated January 23, 2015; except as required by 
paragraph (l)(3) of this AD. Installation of a repair that meets the 
conditions specified in Note (a) of table 1, 2, 3, or 5 of paragraph 
1.E., ``Compliance,'' of Boeing Alert Service Bulletin 737-53A1293, 
Revision 3, dated January 23, 2015, terminates the repetitive 
inspections required by paragraph (g) of this AD for the area 
covered by that repair only.
    (2) For Group 1 airplanes: Accomplishing the modification 
specified in paragraph (i) of this AD is a method of compliance with 
paragraph (h)(1) of this AD.
    (3) If any cracking is found in any area not covered by the 
preventive modification doubler during any inspection required by 
paragraph (g) of this AD: Repair before further flight, in 
accordance with Part 3 of the Accomplishment Instructions of Boeing 
Alert Service Bulletin 737-53A1293, Revision 3, dated January 23, 
2015, except as provided by paragraph (n)(4) of this AD. Both new 
and existing repairs are allowed if the repair covers all eight 
chem-mill step inspection areas between STA 410 and STA 450, and the 
repairs were done using a method approved in accordance with the 
procedures specified in paragraph (n)(1) of this AD.

(i) Preventive Modification

    For Group 1 airplanes: At the applicable time specified in 
tables 1, 2 and 3 of paragraph 1.E., ``Compliance,'' of Boeing Alert 
Service Bulletin 737-53A1293, Revision 3, dated January 23, 2015, 
except as required by paragraphs (l)(1) and (l)(2) of this AD, do a 
preventive modification of the fuselage skin at crown stringers S-1 
and S-2R, including all applicable related investigative actions in 
accordance with Part 9 of the Accomplishment Instructions of Boeing 
Alert Service Bulletin 737-53A1293, Revision 3, dated January 23, 
2015, except as provided by paragraph (n)(4) of this AD. Do all 
applicable related investigative actions concurrently with the 
modification. Installation of a preventive modification terminates 
the repetitive inspections required by paragraph (g) of this AD for 
the modified area only. Thereafter, repeat the inspections specified 
in Part 3 of the Accomplishment Instructions of Boeing Alert Service 
Bulletin 737-53A1293, Revision 3, dated January 23, 2015.

(j) Optional Modification

    Accomplishing a modification of the chem-mill steps at any 
location identified in Boeing Service Bulletin 737-53A1293, Revision 
2, dated August 10, 2011, using a method approved in accordance with 
the procedures specified in paragraph (n)(1) of this AD, terminates 
the repetitive inspections required by paragraph (g) of this AD for 
the modified area only.

(k) Post-Repair/Post-Modification Inspections

    Tables 4 and 6 of paragraph 1.E., ``Compliance,'' of Boeing 
Alert Service Bulletin 737-53A1293, Revision 3, dated January 23, 
2015, specify post-repair/post-modification airworthiness limitation 
inspections in compliance with 14 CFR 25.571(a)(3) at the modified 
locations, which support compliance with 14 CFR 121.1109(c)(2) or 
129.109(b)(2). As airworthiness limitations, these inspections are 
required by maintenance and operational rules. It is therefore 
unnecessary to mandate them in this AD. Deviations from these 
inspections require FAA approval, but do not require an alternative 
method of compliance.

(l) Exceptions to Service Bulletin Specifications

    (1) Where Boeing Alert Service Bulletin 737-53A1293, Revision 3, 
dated January 23, 2015, specifies a compliance time ``after the 
Revision 3 date of this service bulletin,'' this AD requires 
compliance within the specified compliance time after the effective 
date of this AD.
    (2) Where the Condition column of paragraph 1.E., 
``Compliance,'' of Boeing Alert Service Bulletin 737-53A1293, 
Revision 3, dated January 23, 2015, specifies a condition based on 
when an airplane has or has not been inspected, this AD bases the 
condition on whether an airplane has or has not been inspected on 
the effective date of this AD.
    (3) Where Boeing Alert Service Bulletin 737-53A1293, Revision 3, 
dated January 23, 2015, specifies to contact Boeing for repair or 
preventive modification instructions: Before further flight, do the 
repair or preventive modification, as applicable, using a method 
approved in accordance with the procedures specified in paragraph 
(n)(1) of this AD.

(m) Credit for Previous Actions

    (1) This paragraph provides credit for actions required by 
paragraphs (g) and (h) of this AD, if those actions were performed 
before July 23, 2012 (the effective date of AD 2012-12-04), using 
Boeing Alert Service Bulletin 737-53A1293, Revision 1, dated July 7, 
2010, which is not incorporated by reference in this AD.
    (2) This paragraph provides credit for actions required by 
paragraphs (g) and (h) of this AD, if those actions were performed 
before the effective date of this AD using Boeing Alert Service 
Bulletin 737-53A1293, Revision 2, dated August 10, 2011, which was 
incorporated by reference in AD 2012-12-04.

(n) Alternative Methods of Compliance (AMOCs)

    (1) The Manager, Los Angeles Aircraft Certification Office 
(ACO), FAA, has the authority to approve AMOCs for this AD, if 
requested using the procedures found in 14 CFR 39.19. In accordance 
with 14 CFR 39.19, send your request to your principal inspector or 
local Flight Standards District Office, as appropriate. If sending 
information directly to the manager of the ACO, send it to the 
attention of the person identified in paragraph (o)(1) of this AD. 
Information may be emailed to: [email protected].
    (2) Before using any approved AMOC, notify your appropriate 
principal inspector, or lacking a principal inspector, the manager 
of the local flight standards district office/certificate holding 
district office.
    (3) An AMOC that provides an acceptable level of safety may be 
used for any repair, modification, or alteration required by this AD 
if it is approved by the Boeing Commercial Airplanes Organization 
Designation Authorization (ODA) that has been authorized by the 
Manager, Los Angeles ACO, to make those findings. To be approved, 
the repair method, modification deviation, or alteration deviation 
method must meet the certification basis of the airplane, and the 
approval must specifically refer to this AD.
    (4) AMOCs approved for AD 2012-12-04 are approved as AMOCs for 
the corresponding provisions of this AD.

(o) Related Information

    (1) For more information about this AD, contact Jennifer 
Tsakoumakis, Aerospace Engineer, Airframe Branch, ANM-120L, FAA, Los 
Angeles ACO, 3960 Paramount Boulevard, Lakewood, CA 90712-4137; 
phone: 562-627-5264; fax: 562-627-5210; email: 
[email protected].
    (2) Service information identified in this AD that is not 
incorporated by reference is available at the addresses specified in 
paragraphs (p)(5) and (p)(6) of this AD.

(p) Material Incorporated by Reference

    (1) The Director of the Federal Register approved the 
incorporation by reference (IBR) of the service information listed 
in this paragraph under 5 U.S.C. 552(a) and 1 CFR part 51.
    (2) You must use this service information as applicable to do 
the actions required by this AD, unless the AD specifies otherwise.
    (3) The following service information was approved for IBR on 
August 9, 2016.
    (i) Boeing Alert Service Bulletin 737-53A1293, Revision 3, dated 
January 23, 2015.
    (ii) Reserved.
    (4) The following service information was approved for IBR on 
July 23, 2012 (77 FR 36134, June 18, 2012).
    (i) Boeing Service Bulletin 737-53A1293, Revision 2, dated 
August 10, 2011.
    (ii) Reserved.
    (5) For service information identified in this AD, contact 
Boeing Commercial Airplanes, Attention: Data & Services Management, 
P.O. Box 3707, MC 2H-65, Seattle, WA 98124-2207; telephone 206-544-
5000, extension 1; fax 206-766-5680; Internet https://www.myboeingfleet.com.

[[Page 43488]]

    (6) You may view this service information at the FAA, Transport 
Airplane Directorate, 1601 Lind Avenue SW., Renton, WA. For 
information on the availability of this material at the FAA, call 
425-227-1221.
    (7) You may view this service information that is incorporated 
by reference at the National Archives and Records Administration 
(NARA). For information on the availability of this material at 
NARA, call 202-741-6030, or go to http://www.archives.gov/federal-register/cfr/ibr-locations.html.

    Issued in Renton, Washington, on June 21, 2016.
Dorr Anderson,
Acting Manager, Transport Airplane Directorate, Aircraft Certification 
Service.
[FR Doc. 2016-15291 Filed 7-1-16; 8:45 am]
 BILLING CODE 4910-13-P



                                                                   Federal Register / Vol. 81, No. 128 / Tuesday, July 5, 2016 / Rules and Regulations                                               43483

                                              (f) Compliance                                           (l) Parts Installation Prohibition                    National Archives and Records
                                                Comply with this AD within the                            As of the effective date of this AD, no            Administration (NARA). For information on
                                              compliance times specified, unless already               person may install a left or right MLG retract        the availability of this material at NARA, call
                                              done.                                                    actuator rod end, P/N P3A2750 or P3A2750–             202–741–6030, or go to: http://
                                                                                                       1, on any airplane.                                   www.archives.gov/federal-register/cfr/ibr-
                                              (g) Part Number Inspection                                                                                     locations.html.
                                                                                                       (m) Other FAA AD Provisions
                                                 Within 100 flight cycles after the effective                                                                  Issued in Renton, Washington, on June 22,
                                              date of this AD, inspect the left and right                 The following provisions also apply to this        2016.
                                              MLG retract actuator rod ends to determine               AD:
                                                                                                          (1) Alternative Methods of Compliance              Dorr M. Anderson,
                                              if part number (P/N) P3A2750 or P3A2750–
                                                                                                       (AMOCs): The Manager, New York ACO,                   Acting Manager, Transport Airplane
                                              1 is installed. A review of airplane                                                                           Directorate, Aircraft Certification Service.
                                                                                                       ANE–170, FAA, has the authority to approve
                                              maintenance records is acceptable in lieu of
                                                                                                       AMOCs for this AD, if requested using the             [FR Doc. 2016–15357 Filed 7–1–16; 8:45 am]
                                              this inspection if the part number can be
                                                                                                       procedures found in 14 CFR 39.19. In
                                              conclusively determined from that review.                accordance with 14 CFR 39.19, send your
                                                                                                                                                             BILLING CODE 4910–13–P

                                              (h) Repetitive Liquid Penetrant Inspections              request to your principal inspector or local
                                              (LPIs)                                                   Flight Standards District Office, as
                                                                                                       appropriate. If sending information directly          DEPARTMENT OF TRANSPORTATION
                                                For each left or right MLG retract actuator            to the ACO, send it to ATTN: Program
                                              rod end having P/N P3A2750 or P3A2750–1:                 Manager, Continuing Operational Safety,               Federal Aviation Administration
                                              At the applicable time specified in paragraph            FAA, New York ACO, 1600 Stewart Avenue,
                                              (h)(1) or (h)(2) of this AD, do an LPI to detect         Suite 410, Westbury, NY 11590; telephone              14 CFR Part 39
                                              cracks of the MLG retract actuator rod end,              516–228–7300; fax 516–794–5531. Before
                                              in accordance with the Accomplishment                    using any approved AMOC, notify your                  [Docket No. FAA–2015–3628; Directorate
                                              Instructions of Bombardier Service Bulletin              appropriate principal inspector, or lacking a         Identifier 2015–NM–025–AD; Amendment
                                              84–32–142, dated May 4, 2016, except as                  principal inspector, the manager of the local         39–18574; AD 2016–13–10]
                                              required by paragraph (k) of this AD.                    flight standards district office/certificate
                                              Thereafter, repeat the LPI at intervals not to           holding district office. The AMOC approval            RIN 2120–AA64
                                              exceed 600 flight cycles.                                letter must specifically reference this AD.
                                                (1) If the MLG retract actuator rod end has               (2) Contacting the Manufacturer: As of the         Airworthiness Directives; The Boeing
                                              accumulated more than 6,000 flight cycles as             effective date of this AD, for any requirement        Company Airplanes
                                              of the effective date of this AD: Inspect                in this AD to obtain corrective actions from
                                              within 100 flight cycles after the effective             a manufacturer, the action must be                    AGENCY:  Federal Aviation
                                              date of this AD.                                         accomplished using a method approved by               Administration (FAA), DOT.
                                                (2) If the MLG retract actuator rod end has            the Manager, New York ACO, ANE–170,                   ACTION: Final rule.
                                              accumulated 6,000 flight cycles or fewer as              FAA; or Transport Canada Civil Aviation
                                              of the effective date of this AD: Inspect                (TCCA); or Bombardier, Inc.’s TCCA Design             SUMMARY:   We are superseding
                                              within 600 flight cycles after the effective             Approval Organization (DAO). If approved by           Airworthiness Directive (AD) 2012–12–
                                              date of this AD.                                         the DAO, the approval must include the
                                                                                                       DAO-authorized signature.
                                                                                                                                                             04, for certain The Boeing Company
                                              (i) Corrective Action                                                                                          Model 737–300, –400, and –500 series
                                                                                                       (n) Related Information                               airplanes. AD 2012–12–04 required
                                                 If any crack is found during any inspection
                                              required by paragraph (h) of this AD, before               Refer to Mandatory Continuing                       repetitive external detailed inspections
                                                                                                       Airworthiness Information (MCAI) Canadian             and nondestructive inspections to detect
                                              further flight replace the cracked MLG retract
                                                                                                       AD CF–2016–16, dated May 20, 2016, for                cracks in the fuselage skin along the
                                              actuator rod end, P/N P3A2750 or P3A2750–
                                                                                                       related information. You may examine the              chem-mill steps at stringers S–1 and S–
                                              1, with a MLG retract actuator rod end, P/N
                                                                                                       MCAI on the Internet at http://
                                              P3A6460 in accordance with the                                                                                 2R, between station (STA) 400 and STA
                                                                                                       www.regulations.gov by searching for and
                                              Accomplishment Instructions of Bombardier
                                                                                                       locating Docket No. FAA–2016–7422.                    460, and repair if necessary. This new
                                              Service Bulletin 84–32–142, dated May 4,                                                                       AD requires a preventive modification
                                              2016, except as required by paragraph (k) of             (o) Material Incorporated by Reference                of the fuselage skin at crown stringers
                                              this AD.                                                    (1) The Director of the Federal Register           S–1 and S–2R. This new AD also
                                              (j) Optional Replacement                                 approved the incorporation by reference               reduces the inspection threshold for
                                                                                                       (IBR) of the service information listed in this       certain airplanes. This AD was
                                                Replacement of the left and right side MLG             paragraph under 5 U.S.C. 552(a) and 1 CFR
                                              retract actuator rod ends, P/N P3A2750 or                                                                      prompted by a determination that, for
                                                                                                       part 51.
                                              P3A2750–1, with left and right MLG retract                  (2) You must use this service information          certain airplanes, the skin pockets
                                              actuator rod ends, P/N P3A6460, in                       as applicable to do the actions required by           adjacent to the Air Traffic Control (ATC)
                                              accordance with the Accomplishment                       this AD, unless this AD specifies otherwise.          antenna are susceptible to widespread
                                              Instructions of Bombardier Service Bulletin                 (i) Bombardier Service Bulletin 84–32–142,         fatigue damage. We are issuing this AD
                                              84–32–142, dated May 4, 2016, except as                  dated May 4, 2016.                                    to detect and correct fatigue cracking of
                                              required by paragraph (k) of this AD,                       (ii) Reserved.                                     the fuselage skin panels at the chem-
                                              constitutes terminating action for the actions              (3) For service information identified in          mill steps, which could result in sudden
                                              required by paragraphs (g) and (h) of this AD            this AD, contact Bombardier, Inc., Q-Series
                                              for that airplane.                                                                                             fracture and failure of the fuselage skin
                                                                                                       Technical Help Desk, 123 Garratt Boulevard,
                                                                                                       Toronto, Ontario M3K 1Y5, Canada;                     panels, and consequent rapid
                                              (k) Exception to Paragraphs (h), (i), and (j)                                                                  decompression of the airplane.
                                                                                                       telephone: 416–375–4000; fax: 416–375–
                                              of This AD
                                                                                                       4539; email: thd.qseries@                             DATES: This AD is effective August 9,
                                                 If it is not possible to complete all the             aero.bombardier.com; Internet: http://                2016.
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                                              instructions in Bombardier Service Bulletin              www.bombardier.com.                                      The Director of the Federal Register
                                              84–32–142, dated May 4, 2016 because of the                 (4) You may view this service information
                                              configuration of the airplane: Before further
                                                                                                                                                             approved the incorporation by reference
                                                                                                       at the FAA, Transport Airplane Directorate,
                                              flight, repair using a method approved by the            1601 Lind Avenue SW., Renton, WA. For
                                                                                                                                                             of a certain publication listed in this AD
                                              Manager, New York ACO, ANE–170, FAA; or                  information on the availability of this               as of August 9, 2016.
                                              Transport Canada Civil Aviation (TCCA); or               material at the FAA, call 425–227–1221.                  The Director of the Federal Register
                                              Bombardier, Inc.’s TCCA Design Approval                     (5) You may view this service information          approved the incorporation by reference
                                              Organization (DAO).                                      that is incorporated by reference at the              of a certain other publication listed in


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                                              43484                Federal Register / Vol. 81, No. 128 / Tuesday, July 5, 2016 / Rules and Regulations

                                              this AD as of July 23, 2012 (77 FR                       repetitive external detailed inspections              03’’). (AD 2008–19–03 was superseded
                                              36134, June 18, 2012).                                   and nondestructive inspections to detect              by AD 2012–12–04.)
                                              ADDRESSES: For service information                       cracks in the fuselage skin along the                   We agree to revise paragraph (n)(4) of
                                              identified in this final rule, contact                   chem-mill steps at stringers S–1 and S–               this AD (paragraph (l)(4) of the proposed
                                              Boeing Commercial Airplanes,                             2R, between STA 400 and STA 460, and                  AD) to specify that AMOCs approved for
                                              Attention: Data & Services Management,                   repair if necessary. The NPRM also                    AD 2012–12–04 are approved as
                                              P.O. Box 3707, MC 2H–65, Seattle, WA                     proposed to require a preventive                      AMOCs for all the corresponding
                                              98124–2207; telephone 206–544–5000,                      modification of the fuselage skin at                  provisions of this AD.
                                              extension 1; fax 206–766–5680; Internet                  crown stringers S–1 and S–2R. In                        It is not necessary, however, to state
                                              https://www.myboeingfleet.com. You                       addition, the NPRM proposed to revise                 that AMOCs approved for AD 2008–19–
                                              may view this referenced service                         certain compliance times. We are                      03 are approved for the requirements of
                                              information at the FAA, Transport                        issuing this AD to detect and correct                 this AD. When AD 2008–19–03 was
                                              Airplane Directorate, 1601 Lind Avenue                   fatigue cracking of the fuselage skin                 superseded, the corresponding
                                              SW., Renton, WA. For information on                      panels at the chem-mill steps, which                  provisions of AD 2008–19–03 were
                                              the availability of this material at the                 could result in sudden fracture and                   retained in AD 2012–12–04. Therefore,
                                              FAA, call 425–227–1221. It is also                       failure of the fuselage skin panels, and              no change to this final rule is necessary
                                              available on the Internet at https://                    consequent rapid decompression of the                 in this regard.
                                              www.regulations.gov by searching for                     airplane.                                             Request To Separate Certain Actions
                                              and locating Docket No. FAA–2015–                        Comments                                              for Clarification
                                              3628.                                                                                                             Boeing, ASL Airlines France, and
                                                                                                         We gave the public the opportunity to
                                              Examining the AD Docket                                  participate in developing this AD. The                SWA asked that we clarify the
                                                                                                       following presents the comments                       requirements of paragraph (h) of the
                                                You may examine the AD docket on
                                                                                                       received on the NPRM and the FAA’s                    proposed AD by separating the actions
                                              the Internet at http://
                                                                                                       response to each comment.                             into two core paragraphs: One
                                              www.regulations.gov. by searching for
                                                                                                                                                             paragraph for ‘‘Repairs’’ and one
                                              and locating Docket No. FAA–2015–                        Requests To Clarify Compliance Time                   paragraph for the ‘‘Preventive
                                              3628; or in person at the Docket                         Changes                                               Modification.’’ Boeing stated that tables
                                              Management Facility between 9 a.m.
                                                                                                          Boeing asked that we change the                    1, 2, and 3 of Boeing Alert Service
                                              and 5 p.m., Monday through Friday,
                                                                                                       NPRM preamble, which stated that the                  Bulletin 737–53A1293, Revision 3,
                                              except Federal holidays. The AD docket                                                                         dated January 23, 2015, address the
                                                                                                       proposed AD would reduce the
                                              contains this AD, the regulatory                                                                               repair and preventive modification
                                                                                                       inspection thresholds ‘‘and repetitive
                                              evaluation, any comments received, and                                                                         instructions for Group 1 airplanes, and
                                                                                                       intervals’’ for certain airplanes. Boeing
                                              other information. The address for the                                                                         table 5 addresses repair instructions for
                                                                                                       stated that the repetitive inspection
                                              Docket Office (phone: 800–647–5527) is                                                                         Group 2 airplanes; therefore table 5
                                                                                                       intervals specified in Boeing Alert
                                              Docket Management Facility, U.S.                                                                               should not be included in paragraph
                                                                                                       Service Bulletin 737–53A1293, Revision
                                              Department of Transportation, Docket                                                                           (h)(2) of the proposed AD. Boeing also
                                                                                                       3, dated January 23, 2015, remain
                                              Operations, M–30, West Building                                                                                stated that Note (e) of tables 1, 2, and
                                                                                                       unchanged from the previous version of
                                              Ground Floor, Room W12–140, 1200                                                                               3 of Boeing Alert Service Bulletin 737–
                                                                                                       the service information, which was
                                              New Jersey Avenue SE., Washington,                                                                             53A1293, Revision 3, dated January 23,
                                                                                                       mandated by AD 2012–12–04. Boeing
                                              DC 20590.                                                                                                      2015, provides a terminating action
                                                                                                       added that Boeing Alert Service Bulletin
                                              FOR FURTHER INFORMATION CONTACT:                                                                               provision for the repetitive inspections
                                                                                                       737–53A1293, Revision 3, dated January
                                              Jennifer Tsakoumakis, Aerospace                          23, 2015, reduced only the inspection                 under the installed preventive
                                              Engineer, Airframe Branch, ANM–120L,                     threshold for those airplanes.                        modification doubler; therefore a
                                              FAA, Los Angeles Aircraft Certification                     We agree with the commenter’s                      terminating action should be added to
                                              Office (ACO), 3960 Paramount                             request for the reason provided. We                   paragraph (h)(2) of the proposed AD.
                                              Boulevard, Lakewood, CA 90712–4137;                      have changed the language in the                      ASL Airlines France stated that, as
                                              phone: 562–627–5264; fax: 562–627–                       SUMMARY of this final rule accordingly.               written, paragraph (h) of the proposed
                                              5210; email: jennifer.tsakoumakis@                                                                             AD is confusing because it would
                                              faa.gov.                                                 Request To Clarify Acceptable Previous                require the preventive modification
                                                                                                       Alternative Methods of Compliance                     specified in paragraph (h)(2) of the
                                              SUPPLEMENTARY INFORMATION:
                                                                                                       (AMOCs)                                               proposed AD to be installed only if
                                              Discussion                                                  Boeing and Southwest Airlines (SWA)                cracking is found. SWA stated that
                                                We issued a notice of proposed                         asked that we revise paragraph (l)(4) of              Boeing Alert Service Bulletin 737–
                                              rulemaking (NPRM) to amend 14 CFR                        the proposed AD. Boeing requested that                53A1293, Revision 3, dated January 23,
                                              part 39 to supersede AD 2012–12–04,                      we state that AMOCs approved for AD                   2015, does not provide repair
                                              Amendment 39–17083 (77 FR 36134,                         2012–12–04 are approved as AMOCs for                  instructions for cracks found in four or
                                              June 18, 2012) (‘‘AD 2012–12–04’’). AD                   ‘‘all corresponding requirements’’—                   more tear strap bays and certain other
                                              2012–12–04 applied to certain The                        instead of just the requirements of                   conditions, as specified in figure 6 or
                                              Boeing Company Model 737–300, –400,                      paragraph (g)—of the proposed AD.                     figure 8 of the Accomplishment
                                              and –500 series airplanes. The NPRM                      Boeing stated that this proposed change               Instructions. SWA asked that a
                                              published in the Federal Register on                     matches the wording in paragraph (l)(4)               provision be added to paragraph (h)(2)
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                                              September 14, 2015 (80 FR 55045) (‘‘the                  of AD 2012–12–04. SWA added that                      of the proposed AD to allow for both
                                              NPRM’’). The NPRM was prompted by                        paragraph (l)(4) of the proposed AD                   new and existing repairs to remain on
                                              a determination that, for certain                        does not provide credit for AMOCs                     the airplane if the repair covers all eight
                                              airplanes, the skin pockets adjacent to                  approved for the actions specified in                 chem-mill step inspection areas
                                              the ATC antenna are susceptible to                       paragraphs (f) and (g) of AD 2008–19–                 between STA 410 and STA 450, if
                                              widespread fatigue damage. The NPRM                      03, Amendment 39–15670 (73 FR                         approved by the FAA or a Boeing-
                                              proposed to continue to require                          56958, October 1, 2008) (‘‘AD 2008–19–                approved representative.


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                                                                   Federal Register / Vol. 81, No. 128 / Tuesday, July 5, 2016 / Rules and Regulations                                          43485

                                                We agree with the commenters’                          Request To Restate the Optional                       Request To Correct Typographical
                                              requests for the reasons provided. We                    Modification in AD 2012–12–04                         Errors
                                              have separated paragraph (h) of the                         Boeing and Al Nippon Airways                          Boeing and ASL Airlines France
                                              proposed AD into paragraphs (h) and (i)                  (ANA) asked that the optional                         asked that we correct the paragraph
                                              of this AD to clarify the actions                        modification specified in paragraph (i)               reference in Note 1 to paragraph (i) of
                                              identified by the commenters (and have                   of AD 2012–12–04 be restated in this                  the proposed AD and in paragraph (j)(3)
                                              redesignated subsequent paragraphs                       AD. The commenters stated that Section                of the proposed AD. The commenters
                                              accordingly).                                            1.F., ‘‘Approval’’ of Boeing Alert Service            stated that these are typographical
                                                                                                       Bulletin 737–53A1305, Revision 1,                     errors.
                                              Request To Add Exception for the                                                                                  The information in Note 1 to
                                                                                                       dated September 19, 2012, includes
                                              Preventive Modification                                                                                        paragraph (i) of the proposed AD has
                                                                                                       approval of the accomplishment of the
                                                 Boeing asked that we add a new                        inspections and modifications, in                     been included in paragraph (j) of this
                                              exception to address the preventive                      accordance with that service                          final rule (paragraph (i) of the proposed
                                              modification. Boeing stated that                         information for the modified area only,               AD), therefore ‘‘Note 1’’ no longer exists.
                                              paragraph (j)(3) of the proposed AD                      as a method of compliance with the                    In light of this, the requested correction
                                              addresses repairs, and a similar                         modification specified in paragraph (i)               is not necessary in this regard. We have
                                                                                                       of AD 2012–12–04. The commenters                      corrected the reference in paragraph
                                              paragraph needs to be added to address
                                                                                                       added that since the optional                         (j)(3) of the proposed AD (paragraph
                                              the preventive modification specified in
                                                                                                       modification is not restated in the                   (l)(3) of this AD) accordingly.
                                              Part 9 of the Accomplishment
                                                                                                       proposed AD, this approval is now                     Change to Paragraph (k) of This AD
                                              Instructions of Boeing Alert Service
                                                                                                       eliminated.
                                              Bulletin 737–53A1293, Revision 3,                           We agree with the commenters for the                 We have revised the language in
                                              dated January 23, 2015; Part 9 specifies                 reasons provided. We have restated the                paragraph (k) of this AD (paragraph (i)
                                              contacting Boeing for preventive                         optional modification in new paragraph                in the proposed AD) to clarify that the
                                              modification instructions. Boeing added                  (j) of this AD (paragraph (i) of AD 2012–             post-repair/post-modification
                                              that the new exception should be done                    12–04), and redesignated subsequent                   inspections are airworthiness
                                              using a method approved by the FAA or                    paragraphs accordingly.                               limitations that are required by
                                              a Boeing approved representative.                                                                              maintenance and operational rules;
                                                                                                       Request To Clarify the Extent of AMOC                 therefore, these inspections are not
                                                 We agree with the commenter’s                         Approvals
                                              request. Part 9 of the Accomplishment                                                                          required by this AD.
                                              Instructions of Boeing Alert Service                       Boeing asked whether AMOCs would
                                                                                                                                                             Conclusion
                                              Bulletin 737–53A1293, Revision 3,                        be considered for ‘‘preventive
                                                                                                       modifications,’’ in addition to repairs, in             We reviewed the relevant data,
                                              dated January 23, 2015, specifies
                                                                                                       paragraph (l)(3) of the proposed AD.                  considered the comments received, and
                                              contacting Boeing for modification
                                                                                                       Boeing stated that adding this would                  determined that air safety and the
                                              instructions if an existing repair is                                                                          public interest require adopting this AD
                                                                                                       address the AMOC requirement for the
                                              installed that was not accomplished in                                                                         with the changes described previously
                                                                                                       mandatory preventive modification.
                                              accordance with Boeing Alert Service                       We agree with the commenter’s                       and minor editorial changes. We have
                                              Bulletin 737–53A1293, Revision 3,                        request because deviations to the                     determined that these minor changes:
                                              dated January 23, 2015. We have revised                  mandated preventive modification are                    • Are consistent with the intent that
                                              paragraph (l)(3) of this AD (paragraph                   possible. Therefore, we have added                    was proposed in the NPRM for
                                              (j)(3) of the proposed AD) to include the                ‘‘modification’’ (as well as ‘‘alteration’’)          correcting the unsafe condition; and
                                              exception to account for the preventive                  to paragraph (n)(3) of this AD                          • Do not add any additional burden
                                              modification.                                            (paragraph (l)(3) of the proposed AD).                upon the public than was already
                                                                                                                                                             proposed in the NPRM.
                                              Effect of Winglets on Accomplishment                     Request To Clarify Exception                            We also determined that these
                                              of the Proposed Actions                                     ASL Airlines France asked that we                  changes will not increase the economic
                                                 Aviation Partners Boeing stated that                  clarify the reference in paragraph 1.E.,              burden on any operator or increase the
                                              accomplishing the supplemental type                      ‘‘Compliance,’’ of Boeing Alert Service               scope of this AD.
                                              certificate (STC) ST01219SE does not                     Bulletin 737–53A1293, Revision 3,
                                                                                                                                                             Related Service Information Under 1
                                              affect the actions specified in the                      dated January 23, 2015, specified in the
                                                                                                                                                             CFR Part 51
                                              NPRM.                                                    ‘‘Condition’’ columns. The commenter
                                                                                                       stated that the flight-cycle compliance                 We reviewed Boeing Alert Service
                                                 We agree with the commenter. We                       time referred to in these columns                     Bulletin 737–53A1293, Revision 3,
                                              have redesignated paragraph (c) of the                   specifies ‘‘at the Revision 3 date of this            dated January 23, 2015. The service
                                              proposed AD as (c)(1) and added new                      service bulletin’’ instead of ‘‘as of the             information describes procedures for
                                              paragraph (c)(2) to this AD to state that                effective date of this AD.’’ The                      repetitive external detailed inspections
                                              installation of STC ST01219SE (http://                   commenter asked that we include a new                 and non-destructive inspections to
                                              rgl.faa.gov/Regulatory_and_Guidance_                     paragraph to clarify that ‘‘as of the                 detect cracks in the fuselage skin along
                                              Library/rgstc.nsf/0/BE866B732F6CF31                      effective date of this AD’’ should be                 the chem-mill steps at stringers S–1 and
                                              086257B9700692796?OpenDocument&                          used for compliance throughout the                    S–2R, between STA 400 and STA 460,
                                              Highlight=st01219se) does not affect the                 proposed AD.                                          and repair of any cracking. The service
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                                              ability to accomplish the actions                           We acknowledge the commenter’s                     information also describes procedures
                                              required by this final rule. Therefore, for              concern; however, paragraph (l)(1) of                 for a modification of the chem-mill
                                              airplanes on which STC ST01219SE is                      the proposed AD already addressed this                steps at the locations identified,
                                              installed, a ‘‘change in product’’ AMOC                  difference; paragraph (j)(2) of this AD               including related investigative actions
                                              approval request is not necessary to                     retains this provision. Therefore, no                 and corrective actions, and repetitive
                                              comply with the requirements of 14 CFR                   change to this AD is necessary in this                post-mod inspections. This service
                                              39.17.                                                   regard.                                               information is reasonably available


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                                              43486                  Federal Register / Vol. 81, No. 128 / Tuesday, July 5, 2016 / Rules and Regulations

                                              because the interested parties have                        Costs of Compliance                                              We estimate the following costs to
                                              access to it through their normal course                                                                                  comply with this AD:
                                              of business or by the means identified                       We estimate that this AD affects 186
                                              in the ADDRESSES section.                                  airplanes of U.S. registry.

                                                                                                                       ESTIMATED COSTS
                                                            Action                                 Labor cost                  Parts cost                  Cost per product                       Cost on U.S. operators

                                              Retained inspections from AD            Between 7 and 15 work-hours                           $0    Between $595 and $1,275                      Between $110,670 and
                                                2012–12–04.                             × $85 per hour, depending                                   per inspection cycle.                        $237,150 per inspection
                                                                                        on airplane configuration =                                                                              cycle.
                                                                                        between $595 and $1,275
                                                                                        per inspection cycle.
                                              New modification ....................   236 work-hours × $85 per                               1    $20,060 ..................................   $3,731,160.
                                                                                        hour = $20,060.
                                                1 We currently have no specific cost estimates associated with the parts necessary for the modification. We cannot determine the cost of the
                                              materials because the modification parts must be sized at the time the modification is installed, taking into account any existing repairs in the
                                              area.


                                                We have received no definitive data                        (4) Will not have a significant                                (2) Installation of Supplemental Type
                                              that enables us to provide a cost                          economic impact, positive or negative,                         Certificate (STC) ST01219SE (http://rgl.faa.
                                              estimate for the on-condition actions                      on a substantial number of small entities                      gov/Regulatory_and_Guidance_Library/
                                              specified in this AD.                                      under the criteria of the Regulatory                           rgstc.nsf/0/BE866B732F6CF31086257B97006
                                                                                                                                                                        92796?OpenDocument&Highlight=st01219se)
                                                                                                         Flexibility Act.
                                              Authority for This Rulemaking                                                                                             does not affect the ability to accomplish the
                                                                                                         List of Subjects in 14 CFR Part 39                             actions required by this AD. Therefore, for
                                                 Title 49 of the United States Code                                                                                     airplanes on which STC ST01219SE is
                                              specifies the FAA’s authority to issue                       Air transportation, Aircraft, Aviation                       installed, a ‘‘change in product’’ alternative
                                              rules on aviation safety. Subtitle I,                      safety, Incorporation by reference,                            method of compliance (AMOC) approval
                                              Section 106, describes the authority of                    Safety.                                                        request is not necessary to comply with the
                                              the FAA Administrator. Subtitle VII,                                                                                      requirements of 14 CFR 39.17.
                                              Aviation Programs, describes in more                       Adoption of the Amendment
                                                                                                                                                                        (d) Subject
                                              detail the scope of the Agency’s                             Accordingly, under the authority
                                              authority.                                                                                                                 Air Transport Association (ATA) of
                                                                                                         delegated to me by the Administrator,                          America Code 53, Fuselage.
                                                 We are issuing this rulemaking under                    the FAA amends 14 CFR part 39 as
                                              the authority described in Subtitle VII,                   follows:                                                       (e) Unsafe Condition
                                              Part A, Subpart III, Section 44701,                                                                                         This AD was prompted by reports of cracks
                                              ‘‘General requirements.’’ Under that                       PART 39—AIRWORTHINESS                                          found on the fuselage skin at the chem-mill
                                              section, Congress charges the FAA with                     DIRECTIVES                                                     steps, and the determination that, for certain
                                              promoting safe flight of civil aircraft in                                                                                airplanes, the skin pockets adjacent to the Air
                                              air commerce by prescribing regulations                    ■ 1. The authority citation for part 39                        Traffic Control antenna are susceptible to
                                              for practices, methods, and procedures                     continues to read as follows:                                  widespread fatigue damage. We are issuing
                                              the Administrator finds necessary for                                                                                     this AD to detect and correct fatigue cracking
                                                                                                              Authority: 49 U.S.C. 106(g), 40113, 44701.                of the fuselage skin panels at the chem-mill
                                              safety in air commerce. This regulation
                                                                                                                                                                        steps, which could result in sudden fracture
                                              is within the scope of that authority                      § 39.13    [Amended]                                           and failure of the fuselage skin panels, and
                                              because it addresses an unsafe condition                                                                                  consequent rapid decompression of the
                                              that is likely to exist or develop on                      ■ 2. The FAA amends § 39.13 by
                                                                                                                                                                        airplane.
                                              products identified in this rulemaking                     removing Airworthiness Directive (AD)
                                              action.                                                    2012–12–04, Amendment 39–17083 (77                             (f) Compliance
                                                                                                         FR 36134, June 18, 2012), and adding                             Comply with this AD within the
                                              Regulatory Findings                                        the following new AD:                                          compliance times specified, unless already
                                                We have determined that this AD will                     2016–13–10 The Boeing Company:                                 done.
                                              not have federalism implications under                         Amendment 39–18574; Docket No.                             (g) Inspections
                                              Executive Order 13132. This AD will                            FAA–2015–3628; Directorate Identifier
                                                                                                             2015–NM–025–AD.                                               At the applicable time specified in tables
                                              not have a substantial direct effect on                                                                                   1, 2, 3, and 5 of paragraph 1.E.,
                                              the States, on the relationship between                    (a) Effective Date                                             ‘‘Compliance,’’ of Boeing Alert Service
                                              the national government and the States,                      This AD is effective August 9, 2016.                         Bulletin 737–53A1293, Revision 3, dated
                                              or on the distribution of power and                                                                                       January 23, 2015, except as required by
                                              responsibilities among the various                         (b) Affected ADs                                               paragraphs (l)(1) and (l)(2) of this AD: Do the
                                              levels of government.                                        This AD replaces AD 2012–12–04,                              actions specified in paragraphs (g)(1) and
                                                For the reasons discussed above, I                       Amendment 39–17083 (77 FR 36134, June                          (g)(2) of this AD, in accordance with the
                                              certify that this AD:                                      18, 2012) (‘‘AD 2012–12–04’’).                                 Accomplishment Instructions of Boeing Alert
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                                                (1) Is not a ‘‘significant regulatory                                                                                   Service Bulletin 737–53A1293, Revision 3,
                                                                                                         (c) Applicability                                              dated January 23, 2015, except as required by
                                              action’’ under Executive Order 12866,                         (1) This AD applies to The Boeing                           paragraph (l)(3) of this AD. Repeat the
                                                (2) Is not a ‘‘significant rule’’ under                  Company Model 737–300, –400, and –500                          applicable inspections thereafter at the
                                              DOT Regulatory Policies and Procedures                     series airplanes, certificated in any category,                applicable times specified in paragraph 1.E.,
                                              (44 FR 11034, February 26, 1979),                          as identified in Boeing Alert Service Bulletin                 ‘‘Compliance,’’ of Boeing Alert Service
                                                (3) Will not affect intrastate aviation                  737–53A1293, Revision 3, dated January 23,                     Bulletin 737–53A1293, Revision 3, dated
                                              in Alaska, and                                             2015.                                                          January 23, 2015.



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                                                                   Federal Register / Vol. 81, No. 128 / Tuesday, July 5, 2016 / Rules and Regulations                                             43487

                                                (1) Do an external detailed inspection for             (j) Optional Modification                             (n) Alternative Methods of Compliance
                                              cracking of the fuselage skin chem-mill steps.             Accomplishing a modification of the chem-           (AMOCs)
                                                (2) Do an external non-destructive                     mill steps at any location identified in Boeing          (1) The Manager, Los Angeles Aircraft
                                              (medium frequency eddy current, magneto                  Service Bulletin 737–53A1293, Revision 2,             Certification Office (ACO), FAA, has the
                                              optical imaging, C-Scan, or ultrasonic phased            dated August 10, 2011, using a method                 authority to approve AMOCs for this AD, if
                                              array) inspection for cracking of the fuselage           approved in accordance with the procedures            requested using the procedures found in 14
                                              skin chem-mill steps.                                    specified in paragraph (n)(1) of this AD,             CFR 39.19. In accordance with 14 CFR 39.19,
                                                                                                       terminates the repetitive inspections required        send your request to your principal inspector
                                              (h) Repair                                                                                                     or local Flight Standards District Office, as
                                                                                                       by paragraph (g) of this AD for the modified
                                                 If any cracking is found during any                                                                         appropriate. If sending information directly
                                              inspection required by paragraph (g) of this             area only.                                            to the manager of the ACO, send it to the
                                              AD, do the applicable actions specified in               (k) Post-Repair/Post-Modification                     attention of the person identified in
                                              paragraph (h)(1), (h)(2), or (h)(3) of this AD.          Inspections                                           paragraph (o)(1) of this AD. Information may
                                                 (1) Repair before further flight in                                                                         be emailed to: 9-ANM-LAACO-AMOC-
                                                                                                          Tables 4 and 6 of paragraph 1.E.,                  Requests@faa.gov.
                                              accordance with Part 2 (for Group 1
                                                                                                       ‘‘Compliance,’’ of Boeing Alert Service                  (2) Before using any approved AMOC,
                                              airplanes) or Part 7 (for Group 2 airplanes) of
                                                                                                       Bulletin 737–53A1293, Revision 3, dated               notify your appropriate principal inspector,
                                              the Accomplishment Instructions of Boeing
                                                                                                       January 23, 2015, specify post-repair/post-           or lacking a principal inspector, the manager
                                              Alert Service Bulletin 737–53A1293,
                                                                                                       modification airworthiness limitation                 of the local flight standards district office/
                                              Revision 3, dated January 23, 2015; except as
                                                                                                       inspections in compliance with 14 CFR                 certificate holding district office.
                                              required by paragraph (l)(3) of this AD.                                                                          (3) An AMOC that provides an acceptable
                                                                                                       25.571(a)(3) at the modified locations, which
                                              Installation of a repair that meets the                                                                        level of safety may be used for any repair,
                                                                                                       support compliance with 14 CFR
                                              conditions specified in Note (a) of table 1, 2,                                                                modification, or alteration required by this
                                                                                                       121.1109(c)(2) or 129.109(b)(2). As
                                              3, or 5 of paragraph 1.E., ‘‘Compliance,’’ of                                                                  AD if it is approved by the Boeing
                                                                                                       airworthiness limitations, these inspections
                                              Boeing Alert Service Bulletin 737–53A1293,                                                                     Commercial Airplanes Organization
                                                                                                       are required by maintenance and operational
                                              Revision 3, dated January 23, 2015,                                                                            Designation Authorization (ODA) that has
                                                                                                       rules. It is therefore unnecessary to mandate
                                              terminates the repetitive inspections required                                                                 been authorized by the Manager, Los Angeles
                                                                                                       them in this AD. Deviations from these
                                              by paragraph (g) of this AD for the area                                                                       ACO, to make those findings. To be
                                                                                                       inspections require FAA approval, but do not
                                              covered by that repair only.                                                                                   approved, the repair method, modification
                                                                                                       require an alternative method of compliance.          deviation, or alteration deviation method
                                                 (2) For Group 1 airplanes: Accomplishing
                                              the modification specified in paragraph (i) of           (l) Exceptions to Service Bulletin                    must meet the certification basis of the
                                              this AD is a method of compliance with                   Specifications                                        airplane, and the approval must specifically
                                              paragraph (h)(1) of this AD.                                                                                   refer to this AD.
                                                                                                         (1) Where Boeing Alert Service Bulletin                (4) AMOCs approved for AD 2012–12–04
                                                 (3) If any cracking is found in any area not          737–53A1293, Revision 3, dated January 23,
                                              covered by the preventive modification                                                                         are approved as AMOCs for the
                                                                                                       2015, specifies a compliance time ‘‘after the         corresponding provisions of this AD.
                                              doubler during any inspection required by
                                                                                                       Revision 3 date of this service bulletin,’’ this
                                              paragraph (g) of this AD: Repair before                                                                        (o) Related Information
                                                                                                       AD requires compliance within the specified
                                              further flight, in accordance with Part 3 of                                                                     (1) For more information about this AD,
                                                                                                       compliance time after the effective date of
                                              the Accomplishment Instructions of Boeing                                                                      contact Jennifer Tsakoumakis, Aerospace
                                                                                                       this AD.
                                              Alert Service Bulletin 737–53A1293,                                                                            Engineer, Airframe Branch, ANM–120L,
                                                                                                         (2) Where the Condition column of
                                              Revision 3, dated January 23, 2015, except as                                                                  FAA, Los Angeles ACO, 3960 Paramount
                                                                                                       paragraph 1.E., ‘‘Compliance,’’ of Boeing
                                              provided by paragraph (n)(4) of this AD. Both                                                                  Boulevard, Lakewood, CA 90712–4137;
                                                                                                       Alert Service Bulletin 737–53A1293,
                                              new and existing repairs are allowed if the                                                                    phone: 562–627–5264; fax: 562–627–5210;
                                                                                                       Revision 3, dated January 23, 2015, specifies
                                              repair covers all eight chem-mill step                                                                         email: jennifer.tsakoumakis@faa.gov.
                                              inspection areas between STA 410 and STA                 a condition based on when an airplane has
                                                                                                                                                               (2) Service information identified in this
                                              450, and the repairs were done using a                   or has not been inspected, this AD bases the          AD that is not incorporated by reference is
                                              method approved in accordance with the                   condition on whether an airplane has or has           available at the addresses specified in
                                              procedures specified in paragraph (n)(1) of              not been inspected on the effective date of           paragraphs (p)(5) and (p)(6) of this AD.
                                              this AD.                                                 this AD.
                                                                                                         (3) Where Boeing Alert Service Bulletin             (p) Material Incorporated by Reference
                                              (i) Preventive Modification                              737–53A1293, Revision 3, dated January 23,               (1) The Director of the Federal Register
                                                 For Group 1 airplanes: At the applicable              2015, specifies to contact Boeing for repair or       approved the incorporation by reference
                                              time specified in tables 1, 2 and 3 of                   preventive modification instructions: Before          (IBR) of the service information listed in this
                                              paragraph 1.E., ‘‘Compliance,’’ of Boeing                further flight, do the repair or preventive           paragraph under 5 U.S.C. 552(a) and 1 CFR
                                              Alert Service Bulletin 737–53A1293,                      modification, as applicable, using a method           part 51.
                                              Revision 3, dated January 23, 2015, except as            approved in accordance with the procedures               (2) You must use this service information
                                              required by paragraphs (l)(1) and (l)(2) of this         specified in paragraph (n)(1) of this AD.             as applicable to do the actions required by
                                              AD, do a preventive modification of the                                                                        this AD, unless the AD specifies otherwise.
                                                                                                       (m) Credit for Previous Actions                          (3) The following service information was
                                              fuselage skin at crown stringers S–1 and S–
                                                                                                          (1) This paragraph provides credit for             approved for IBR on August 9, 2016.
                                              2R, including all applicable related
                                                                                                       actions required by paragraphs (g) and (h) of            (i) Boeing Alert Service Bulletin 737–
                                              investigative actions in accordance with Part
                                                                                                       this AD, if those actions were performed              53A1293, Revision 3, dated January 23, 2015.
                                              9 of the Accomplishment Instructions of                                                                           (ii) Reserved.
                                              Boeing Alert Service Bulletin 737–53A1293,               before July 23, 2012 (the effective date of AD
                                                                                                                                                                (4) The following service information was
                                              Revision 3, dated January 23, 2015, except as            2012–12–04), using Boeing Alert Service
                                                                                                                                                             approved for IBR on July 23, 2012 (77 FR
                                              provided by paragraph (n)(4) of this AD. Do              Bulletin 737–53A1293, Revision 1, dated July          36134, June 18, 2012).
                                              all applicable related investigative actions             7, 2010, which is not incorporated by                    (i) Boeing Service Bulletin 737–53A1293,
                                              concurrently with the modification.                      reference in this AD.                                 Revision 2, dated August 10, 2011.
                                              Installation of a preventive modification                   (2) This paragraph provides credit for
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                                                                                                                                                                (ii) Reserved.
                                              terminates the repetitive inspections required           actions required by paragraphs (g) and (h) of            (5) For service information identified in
                                              by paragraph (g) of this AD for the modified             this AD, if those actions were performed              this AD, contact Boeing Commercial
                                              area only. Thereafter, repeat the inspections            before the effective date of this AD using            Airplanes, Attention: Data & Services
                                              specified in Part 3 of the Accomplishment                Boeing Alert Service Bulletin 737–53A1293,            Management, P.O. Box 3707, MC 2H–65,
                                              Instructions of Boeing Alert Service Bulletin            Revision 2, dated August 10, 2011, which              Seattle, WA 98124–2207; telephone 206–
                                              737–53A1293, Revision 3, dated January 23,               was incorporated by reference in AD 2012–             544–5000, extension 1; fax 206–766–5680;
                                              2015.                                                    12–04.                                                Internet https://www.myboeingfleet.com.



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                                              43488                Federal Register / Vol. 81, No. 128 / Tuesday, July 5, 2016 / Rules and Regulations

                                                 (6) You may view this service information             List of Subjects in 26 CFR Part 301                    regulated area unless authorized by the
                                              at the FAA, Transport Airplane Directorate,                                                                     Captain of the Port Ohio Valley or a
                                              1601 Lind Avenue SW., Renton, WA. For                      Employment taxes, Estate taxes,
                                                                                                       Excise taxes, Gift taxes, Income taxes,                designated representative.
                                              information on the availability of this
                                              material at the FAA, call 425–227–1221.                  Penalties, Reporting and recordkeeping                 DATES: This rule is effective from 9 a.m.
                                                 (7) You may view this service information             requirements.                                          until noon on July 30, 2016.
                                              that is incorporated by reference at the                                                                        ADDRESSES: To view documents
                                              National Archives and Records                            Correction of Publication
                                                                                                                                                              mentioned in this preamble as being
                                              Administration (NARA). For information on                  Accordingly, 26 CFR part 301 is                      available in the docket, go to http://
                                              the availability of this material at NARA, call          corrected by making the following
                                              202–741–6030, or go to http://
                                                                                                                                                              www.regulations.gov, type USCG–2016–
                                                                                                       correcting amendment:                                  0169 in the ‘‘SEARCH’’ box and click
                                              www.archives.gov/federal-register/cfr/ibr-
                                              locations.html.                                                                                                 ‘‘SEARCH.’’ Click on Open Docket
                                                                                                       PART 301—PROCEDURE AND                                 Folder on the line associated with this
                                                Issued in Renton, Washington, on June 21,              ADMINISTRATION
                                              2016.
                                                                                                                                                              rule.
                                              Dorr Anderson,                                           ■ Paragraph 1. The authority citation                  FOR FURTHER INFORMATION CONTACT: If
                                              Acting Manager, Transport Airplane                       for part 301 continues to read in part as              you have questions on this rule, call or
                                              Directorate, Aircraft Certification Service.             follows:                                               email Petty Officer Ashley Schad, MSD
                                              [FR Doc. 2016–15291 Filed 7–1–16; 8:45 am]
                                                                                                                                                              Nashville, Nashville, TN, at 615–736–
                                                                                                            Authority: 26 U.S.C. 7805 * * *
                                                                                                                                                              5421 or at Ashley.M.Schad@uscg.mil.
                                              BILLING CODE 4910–13–P
                                                                                                       ■ Par. 2. Section 301.7701–2T is                       SUPPLEMENTARY INFORMATION:
                                                                                                       amended by revising paragraph (e)(8)(ii)
                                                                                                       to read as follows:                                    I. Table of Abbreviations
                                              DEPARTMENT OF THE TREASURY                                                                                      CFR Code of Federal Regulations
                                                                                                       § 301.7701–2T Business entities;
                                                                                                       definitions (temporary).                               DHS Department of Homeland Security
                                              Internal Revenue Service                                                                                        FR Federal Register
                                                                                                       *      *    *     *    *                               NPRM Notice of proposed rulemaking
                                              26 CFR Part 301                                            (e) * * *                                            § Section
                                                                                                         (8) * * *                                            U.S.C. United States Code
                                              [TD 9766]                                                  (ii) Expiration date. The applicability
                                                                                                                                                              II. Background Information and
                                                                                                       of paragraph (c)(2)(iv)(C)(2) of this
                                                                                                                                                              Regulatory History
                                              RIN 1545–BM87                                            section expires on or before May 3,
                                                                                                       2019, or such earlier date as may be                     On January 28, 2016, the Nashville
                                              Self-Employment Tax Treatment of                         determined under amendments to the                     Paddle Company notified the Coast
                                              Partners in a Partnership That Owns a                    regulations issued after May 3, 2016.                  Guard that it will be conducting a
                                              Disregarded Entity; Correction                                                                                  rowing race from 9 a.m. to noon on July
                                                                                                       Martin V. Franks,
                                              AGENCY:  Internal Revenue Service (IRS),                                                                        30, 2016. The event will consist of at
                                                                                                       Chief, Publications and Regulations Branch,            least 75 participants on various sized
                                              Treasury.                                                Legal Processing Division, Associate Chief
                                                                                                                                                              stand up paddle boards and kayaks on
                                              ACTION: Final and temporary                              Counsel (Procedure and Administration).
                                                                                                                                                              the Cumberland River. The Captain of
                                              regulations; correcting amendment.                       [FR Doc. 2016–15739 Filed 7–1–16; 8:45 am]
                                                                                                                                                              the Port Ohio Valley (COTP) determined
                                                                                                       BILLING CODE 4830–01–P
                                              SUMMARY:  This document contains a                                                                              that additional safety measures are
                                              correction to final and temporary                                                                               necessary to protect participants,
                                              regulations (TD 9766) that were                                                                                 spectators, and waterway users during
                                                                                                       DEPARTMENT OF HOMELAND                                 this event. In response, on June 10,
                                              published in the Federal Register on
                                                                                                       SECURITY                                               2016, the Coast Guard published a
                                              May 4, 2016 (81 FR 26693). The final
                                              and temporary regulations clarify the                                                                           notice of proposed rulemaking (NPRM)
                                                                                                       Coast Guard                                            Special Local Regulation; Cumberland
                                              employment tax treatment of partners in
                                              a partnership that owns a disregarded                                                                           River, Mile 190.0 to 191.5; Nashville,
                                                                                                       33 CFR Part 100                                        TN (81 FR 37562).
                                              entity.
                                                                                                       [Docket Number USCG–2016–0169]                           There we stated why we issued the
                                              DATES:  This correction is effective on                                                                         NPRM, and invited comments on our
                                              July 5, 2016 and applicable on May 4,                    RIN 1625–AA08
                                                                                                                                                              proposed regulatory action related to
                                              2016.                                                                                                           this marine event. During the comment
                                                                                                       Special Local Regulation; Cumberland
                                              FOR FURTHER INFORMATION CONTACT:                                                                                period that ended June 27, 2016 we
                                                                                                       River, Mile 190.0 to 191.5; Nashville, TN
                                              Andrew Holubeck at (202) 317–4774                                                                               received no comments.
                                              (not a toll free number).                                AGENCY:     Coast Guard, DHS.
                                                                                                                                                              III. Legal Authority and Need for Rule
                                              SUPPLEMENTARY INFORMATION:                               ACTION:    Temporary final rule.
                                                                                                                                                                The Coast Guard is issuing this rule
                                              Background                                               SUMMARY:   The Coast Guard is                          under authority in 33 U.S.C. 1233. The
                                                The final and temporary regulations                    establishing a special local regulation                Captain of the Port Ohio Valley (COTP)
                                              (TD 9766) that are the subject of this                   for all waters of the Cumberland River                 has determined that potential hazards
                                              correction are under section 7701 of the                 beginning at mile marker 190.0 and                     associated with the marine event in this
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                                              Internal Revenue Code.                                   ending at mile marker 191.5 from 9 a.m.                July 30, 2016, event will be a safety
                                                                                                       until noon on July 30, 2016. This special              concern for the participants of the event.
                                              Need for Correction                                      regulation is necessary to provide safety              The purpose of this rule is to ensure
                                                As published, the final and temporary                  for the participants in the ‘‘Music City               safety of vessels and participants and
                                              regulations (TD 9766) contains an error                  SUP Race’’ marine event. This                          the navigable waters in the special local
                                              that may prove to be misleading and is                   rulemaking prohibits persons and                       regulation area before, during, and after
                                              in need of clarification.                                vessels from being in the special local                the scheduled event.


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Document Created: 2016-07-01 23:49:42
Document Modified: 2016-07-01 23:49:42
CategoryRegulatory Information
CollectionFederal Register
sudoc ClassAE 2.7:
GS 4.107:
AE 2.106:
PublisherOffice of the Federal Register, National Archives and Records Administration
SectionRules and Regulations
ActionFinal rule.
DatesThis AD is effective August 9, 2016.
ContactJennifer Tsakoumakis, Aerospace Engineer, Airframe Branch, ANM-120L, FAA, Los Angeles Aircraft Certification Office (ACO), 3960 Paramount Boulevard, Lakewood, CA 90712-4137; phone: 562-627-5264; fax: 562-627-5210; email: [email protected]
FR Citation81 FR 43483 
RIN Number2120-AA64
CFR AssociatedAir Transportation; Aircraft; Aviation Safety; Incorporation by Reference and Safety

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