83_FR_22684 83 FR 22589 - Airworthiness Directives; Boeing Airplanes

83 FR 22589 - Airworthiness Directives; Boeing Airplanes

DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration

Federal Register Volume 83, Issue 95 (May 16, 2018)

Page Range22589-22592
FR Document2018-10413

We are superseding Airworthiness Directive (AD) 2016-09-05, which applied to certain The Boeing Company Model 717-200 airplanes. AD 2016-09-05 required a detailed inspection for distress of the vertical stabilizer leading edge skin, and related investigative and corrective actions if necessary. It also required, for certain airplanes, repetitive inspections of the front spar cap for any loose or missing fasteners, or any cracking, and related investigative and corrective actions if necessary. This AD requires repetitive inspections for distress, cracking, and loose or missing fasteners in the vertical stabilizer leading edge skin and front spar cap, with new compliance times for certain airplanes. This AD was prompted by reports of cracking in the leading edge of the vertical stabilizer and front spar web. We are issuing this AD to address the unsafe condition on these products.

Federal Register, Volume 83 Issue 95 (Wednesday, May 16, 2018)
[Federal Register Volume 83, Number 95 (Wednesday, May 16, 2018)]
[Rules and Regulations]
[Pages 22589-22592]
From the Federal Register Online  [www.thefederalregister.org]
[FR Doc No: 2018-10413]


=======================================================================
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DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39

[Docket No. FAA-2018-0413; Product Identifier 2018-NM-061-AD; Amendment 
39-19283; AD 2018-10-08]
RIN 2120-AA64


Airworthiness Directives; Boeing Airplanes

AGENCY: Federal Aviation Administration (FAA), DOT.

ACTION: Final rule; request for comments.

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

SUMMARY: We are superseding Airworthiness Directive (AD) 2016-09-05, 
which applied to certain The Boeing Company Model 717-200 airplanes. AD 
2016-09-05 required a detailed inspection for distress of the vertical

[[Page 22590]]

stabilizer leading edge skin, and related investigative and corrective 
actions if necessary. It also required, for certain airplanes, 
repetitive inspections of the front spar cap for any loose or missing 
fasteners, or any cracking, and related investigative and corrective 
actions if necessary. This AD requires repetitive inspections for 
distress, cracking, and loose or missing fasteners in the vertical 
stabilizer leading edge skin and front spar cap, with new compliance 
times for certain airplanes. This AD was prompted by reports of 
cracking in the leading edge of the vertical stabilizer and front spar 
web. We are issuing this AD to address the unsafe condition on these 
products.

DATES: This AD is effective May 31, 2018.
    The Director of the Federal Register approved the incorporation by 
reference of a certain publication listed in this AD as of May 31, 
2018.

ADDRESSES: You may send comments, using the procedures found in 14 CFR 
11.43 and 11.45, by any of the following methods:
     Federal eRulemaking Portal: Go to http://www.regulations.gov. Follow the instructions for submitting comments.
     Fax: 202-493-2251.
     Mail: U.S. Department of Transportation, Docket 
Operations, M-30, West Building Ground Floor, Room W12-140, 1200 New 
Jersey Avenue SE, Washington, DC 20590.
     Hand Delivery: Deliver to Mail address above between 9 
a.m. and 5 p.m., Monday through Friday, except Federal holidays.
    For service information identified in this final rule, contact 
Boeing Commercial Airplanes, Attention: Contractual & Data Services 
(C&DS), 2600 Westminster Blvd., MC 110-SK57, Seal Beach, CA 90740-5600; 
telephone 562-797-1717; internet https://www.myboeingfleet.com. You may 
view this service information at the FAA, Transport Standards Branch, 
2200 South 216th St., Des Moines, WA. For information on the 
availability of this material at the FAA, call 206-231-3195. It is also 
available on the internet at http://www.regulations.gov by searching 
for and locating Docket No. FAA-2018-0413.

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-2018-
0413; or in person at Docket Operations between 9 a.m. and 5 p.m., 
Monday through Friday, except Federal holidays. The AD docket contains 
this final rule, the regulatory evaluation, any comments received, and 
other information. The street address for Docket Operations (phone: 
800-647-5527) is in the ADDRESSES section. Comments will be available 
in the AD docket shortly after receipt.

FOR FURTHER INFORMATION CONTACT: Muoi Vuong, Aerospace Engineer, 
Airframe Section, FAA, Los Angeles ACO Branch, 3960 Paramount 
Boulevard, Lakewood, CA 90712-4137; phone: 562-627-5205; fax: 562-627-
5210; email: [email protected].

SUPPLEMENTARY INFORMATION: 

Discussion

    We issued AD 2016-09-05, Amendment 39-18503 (81 FR 26673, May 4, 
2016) (``AD 2016-09-05''), for certain The Boeing Company Model 717-200 
airplanes. AD 2016-09-05 required a detailed inspection for any 
distress of the vertical stabilizer leading edge skin, and related 
investigative and corrective actions if necessary. It also required, 
for certain airplanes, repetitive detailed inspections of the front 
spar cap for any loose or missing fasteners, repetitive eddy current 
testing high frequency (ETHF) and radiographic testing (RT) inspections 
of the front spar cap for any crack, and related investigative and 
corrective actions if necessary. AD 2016-09-05 resulted from reports of 
10 cases of elongated fastener holes in the vertical stabilizer leading 
edge. We issued AD 2016-09-05 to address cracking in the vertical 
stabilizer leading edge and front spar cap, which may result in the 
structure becoming unable to support limit load, and may lead to the 
loss of the vertical stabilizer.

Actions Since AD 2016-09-05 Was Issued

    Since we issued AD 2016-09-05, four cases of elongated fastener 
holes in the vertical stabilizer leading edge and nine cases of front 
spar cap damage or cracks were reported. Seven of the nine cases 
involved small cracks of approximately 0.3 inch in the front spar cap. 
Two of the nine cases involved a severed front spar cap and front spar 
web cracking, and one also involved skin cracking. The longest cracks, 
4.5 inches in length, were discovered in the left skin of the vertical 
stabilizer leading edge and the front spar web of a Boeing Model 717-
200 airplane during an initial inspection required by AD 2016-09-05. We 
determined that for airplanes on which an initial inspection has not 
been done as specified in AD 2016-09-05, a revised compliance time is 
needed. We are issuing this AD to address the unsafe condition on these 
products.

Related Service Information Under 1 CFR Part 51

    We reviewed Boeing Alert Service Bulletin 717-55A0012, Revision 1, 
dated April 11, 2018. The service information describes procedures for 
doing detailed inspections of the front spar cap for any loose or 
missing fasteners, ETHF or RT inspections for distress and for cracking 
in the vertical stabilizer leading edge and front spar cap at the 
splice at station Zfs=52.267, and applicable on-condition actions. This 
service information is reasonably available because the interested 
parties have access to it through their normal course of business or by 
the means identified in the ADDRESSES section.

FAA's Determination

    We are issuing this AD because we evaluated all the relevant 
information and determined the unsafe condition described previously is 
likely to exist or develop in other products of the same type design.

AD Requirements

    Although this AD does not explicitly restate the requirements of AD 
2016-09-05, this AD would retain the requirements of AD 2016-09-05, 
with revised compliance times for airplanes that have not completed the 
requirements of AD 2016-09-05. The requirements of AD 2016-09-05 are 
referenced in the service information identified previously, which, in 
turn, is referenced in paragraph (g) of this AD.

FAA's Justification and Determination of the Effective Date

    An unsafe condition exists that requires the immediate adoption of 
this AD without providing an opportunity for public comment prior to 
adoption. The FAA has found that the risk to the flying public 
justifies waiving notice and comment prior to adoption of this rule 
because cracks in the vertical stabilizer leading edge and front spar 
cap could result in the structure becoming unable to support limit 
load, and may lead to the loss of the vertical stabilizer. Therefore, 
we find good cause that notice and opportunity for prior public comment 
are impracticable. In addition, for the reason(s) stated above, we find 
that good cause exists for making this amendment effective in less than 
30 days.

Comments Invited

    This AD is a final rule that involves requirements affecting flight 
safety and was not preceded by notice and an

[[Page 22591]]

opportunity for public comment. However, we invite you to send any 
written data, views, or arguments about this final rule. Send your 
comments to an address listed under the ADDRESSES section. Include the 
docket number FAA-2018-0413 and Product Identifier 2018-NM-061-AD at 
the beginning of your comments. We specifically invite comments on the 
overall regulatory, economic, environmental, and energy aspects of this 
final rule. We will consider all comments received by the closing date 
and may amend this final rule because of those comments.
    We will post all comments we receive, without change, to http://www.regulations.gov, including any personal information you provide. We 
will also post a report summarizing each substantive verbal contact we 
receive about this final rule.

Costs of Compliance

    We estimate that this AD affects 106 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
----------------------------------------------------------------------------------------------------------------
Inspections for distress         11 work-hours x $85 per              $0  $935 per            $99,110 per
 (retained actions from AD 2016-  hour = $935 per                          inspection cycle.   inspection cycle.
 09-05).                          inspection cycle.
Repetitive inspections for       7 work-hours x $85 per                0  $595 per            $63,070 per
 cracking and loose or missing    hour = $595 per                          inspection cycle.   inspection cycle.
 fasteners (retained actions      inspection cycle.
 from AD 2016-09-05).
----------------------------------------------------------------------------------------------------------------

    The new requirements of this AD add no additional economic burden.
    We have received no definitive data that would enable us to provide 
cost estimates 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.
    This AD is issued in accordance with authority delegated by the 
Executive Director, Aircraft Certification Service, as authorized by 
FAA Order 8000.51C. In accordance with that order, issuance of ADs is 
normally a function of the Compliance and Airworthiness Division, but 
during this transition period, the Executive Director has delegated the 
authority to issue ADs applicable to transport category airplanes to 
the Director of the System Oversight Division.

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) 
2016-09-05, Amendment 39-18503 (81 FR 26673, May 4, 2016), and adding 
the following new AD:

2018-10-08 The Boeing Company: Amendment 39-19283; Docket No. FAA-
2018-0413; Product Identifier 2018-NM-061-AD.

(a) Effective Date

    This Airworthiness Directive (AD)is effective May 31, 2018.

(b) Affected ADs

    This AD replaces AD 2016-09-05, Amendment 39-18503 (81 FR 26673, 
May 4, 2016) (``AD 2016-09-05'').

(c) Applicability

    This AD applies to The Boeing Company Model 717-200 airplanes, 
certificated in any category, as identified in Boeing Alert Service 
Bulletin 717-55A0012, Revision 1, dated April 11, 2018.

(d) Subject

    Air Transport Association (ATA) of America Code 55, Stabilizers.

(e) Unsafe Condition

    This AD was prompted by multiple reports of the vertical 
stabilizer leading edge showing signs of fastener distress, multiple 
cracked or severed front spar caps, and cracks in the left skin of 
the vertical stabilizer leading edge and in the front spar web, 
discovered during initial inspections required by AD 2016-09-05. We 
have determined that a revised compliance time is needed for 
airplanes on which the initial inspection has not been done as 
specified in AD 2016-09-05. We are issuing this AD to address 
cracking in the vertical stabilizer leading edge and front spar cap, 
which may result in the structure becoming unable to support limit 
load, and may lead to loss of the vertical stabilizer.

(f) Compliance

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

[[Page 22592]]

(g) Required Actions

    Except as required by paragraph (h) of this AD, at the 
applicable time specified in paragraph 1.E., ``Compliance,'' of 
Boeing Alert Service Bulletin 717-55A0012, Revision 1, dated April 
11, 2018, do all applicable actions identified as ``RC'' (required 
for compliance) in, and in accordance with, the Accomplishment 
Instructions of Boeing Alert Service Bulletin 717-55A0012, Revision 
1, dated April 11, 2018.

(h) Exceptions to Service Information Specifications

    (1) For purposes of determining compliance with the requirements 
of this AD: Where Boeing Alert Service Bulletin 717-55A0012, 
Revision 1, dated April 11, 2018, uses the phrase ``the Revision 1 
issue date of this service bulletin,'' this AD requires using the 
effective date of this AD.
    (2) Where Boeing Alert Service Bulletin 717-55A0012, Revision 1, 
dated April 11, 2018, specifies contacting Boeing, and specifies 
that action as RC: This AD requires repair using a method approved 
in accordance with the procedures specified in paragraph (j) of this 
AD.

(i) Credit for Previous Actions

    (1) This paragraph provides credit for the initial inspection 
specified in paragraph (g) of this AD, if that inspection was 
performed before June 8, 2016 (the effective date of AD 2016-09-05), 
using Boeing MOM-MOM-14-0437-01B(R1), dated July 3, 2014. This 
service information is not incorporated by reference in this AD.
    (2) This paragraph provides credit for the actions specified in 
paragraph (g) of this AD, if those actions were performed before the 
effective date of this AD using Boeing Alert Service Bulletin 717-
55A0012, dated June 12, 2015. This service information was 
incorporated by reference in AD 2016-09-05.

(j) Alternative Methods of Compliance (AMOCs)

    (1) The Manager, Los Angeles ACO Branch, 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 certification office, send it to the attention of 
the person identified in paragraph (k)(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 Branch, to make those findings. To be 
approved, the repair method, modification deviation, or alteration 
deviation must meet the certification basis of the airplane, and the 
approval must specifically refer to this AD.
    (4) AMOCs approved previously for AD 2016-09-05 are approved as 
AMOCs for the corresponding provisions of Boeing Alert Service 
Bulletin 717-55A0012, Revision 1, dated April 11, 2018, that are 
required by paragraph (g) of this AD.
    (5) Except as required by paragraph (h)(2) of this AD: For 
service information that contains steps that are labeled as Required 
for Compliance (RC), the provisions of paragraphs (j)(5)(i) and 
(j)(5)(ii) of this AD apply.
    (i) The steps labeled as RC, including substeps under an RC step 
and any figures identified in an RC step, must be done to comply 
with the AD. If a step or substep is labeled ``RC Exempt,'' then the 
RC requirement is removed from that step or substep. An AMOC is 
required for any deviations to RC steps, including substeps and 
identified figures.
    (ii) Steps not labeled as RC may be deviated from using accepted 
methods in accordance with the operator's maintenance or inspection 
program without obtaining approval of an AMOC, provided the RC 
steps, including substeps and identified figures, can still be done 
as specified, and the airplane can be put back in an airworthy 
condition.

(k) Related Information

    (1) For more information about this AD, contact: Muoi Vuong, 
Aerospace Engineer, Airframe Section, FAA, Los Angeles ACO Branch, 
3960 Paramount Boulevard, Lakewood, CA 90712-4137; phone: 562-627-
5205; 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 (l)(3) and (l)(4) of this AD.

(l) 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.
    (i) Boeing Alert Service Bulletin 717-55A0012, Revision 1, dated 
April 11, 2018.
    (ii) Reserved.
    (3) For service information identified in this AD, contact 
Boeing Commercial Airplanes, Attention: Contractual & Data Services 
(C&DS), 2600 Westminster Blvd., MC 110-SK57, Seal Beach, CA 90740-
5600; telephone 562-797-1717; internet https://www.myboeingfleet.com.
    (4) You may view this service information at FAA, Transport 
Standards Branch, 2200 South 216th St., Des Moines, WA. For 
information on the availability of this material at the FAA, call 
206-231-3195.
    (5) 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 Des Moines, Washington, on May 8, 2018.
Jeffrey E. Duven,
Director, System Oversight Division, Aircraft Certification Service.
[FR Doc. 2018-10413 Filed 5-15-18; 8:45 am]
 BILLING CODE 4910-13-P



                                                                Federal Register / Vol. 83, No. 95 / Wednesday, May 16, 2018 / Rules and Regulations                                                22589

                                              actions on State, local, and Tribal                     K. Review Under the Treasury and                      Approval of the Office of the Secretary
                                              governments and the private sector. For                 General Government Appropriations                       The Secretary of Energy has approved
                                              a proposed regulatory action likely to                  Act, 2001                                             publication of this final rule.
                                              result in a rule that may cause the
                                              expenditure by State, local, and Tribal                   Section 515 of the Treasury and                     List of Subjects in 10 CFR Part 430
                                              governments, in the aggregate, or by the                General Government Appropriations
                                                                                                                                                              Administrative practice and
                                              private sector of $100 million or more                  Act, 2001 (44 U.S.C. 3516, note)
                                                                                                                                                            procedure, Confidential business
                                              in any one year (adjusted annually for                  disseminations of information to the
                                                                                                                                                            information, Energy conservation,
                                              inflation), section 202 of UMRA requires                public under guidelines established by                Household appliances, Small
                                              a Federal agency to publish a written                   each agency pursuant to general                       businesses.
                                              statement that estimates the resulting                  guidelines issued by OMB. OMB’s
                                                                                                      guidelines were published at 67 FR                      Issued in Washington, DC, on May 9, 2018.
                                              costs, benefits, and other effects on the                                                                     Daniel R. Simmons,
                                                                                                      8452 (February 22, 2002), and DOE’s
                                              national economy. (2 U.S.C. 1532(a),(b))                                                                      Principal Deputy Assistant Secretary, Energy
                                                                                                      guidelines were published at 67 FR
                                              The UMRA also requires a Federal                                                                              Efficiency and Renewable Energy.
                                                                                                      62446 (October 7, 2002). DOE has
                                              agency to develop an effective process                                                                           For the reasons set forth in the
                                                                                                      reviewed this rulemaking under the
                                              to permit timely input by elected                                                                             preamble, DOE hereby amends chapter
                                                                                                      OMB and DOE guidelines and has
                                              officers of State, local, and Tribal                                                                          II, subchapter D, of title 10 of the Code
                                                                                                      concluded that it is consistent with
                                              governments on a proposed ‘‘significant                                                                       of Federal Regulations as set forth
                                                                                                      applicable policies in those guidelines.
                                              intergovernmental mandate,’’ and                                                                              below:
                                              requires an agency plan for giving notice               L. Review Under Executive Order 13211,
                                              and opportunity for timely input to                     ‘‘Actions Concerning Regulations That                 PART 430—ENERGY CONSERVATION
                                              potentially affected small governments                  Significantly Affect Energy Supply,                   PROGRAM FOR CONSUMER
                                              before establishing any requirements                    Distribution, or Use’’                                PRODUCTS
                                              that might significantly or uniquely
                                              affect small governments. On March 18,                     Executive Order 13211, ‘‘Actions                   ■ 1. The authority citation for part 430
                                              1997, DOE published a statement of                      Concerning Regulations That                           continues to read as follows:
                                              policy on its process for                               Significantly Affect Energy Supply,                     Authority: 42 U.S.C. 6291–6309; 28 U.S.C.
                                              intergovernmental consultation under                    Distribution, or Use,’’ 66 FR 28355 (May              2461 note.
                                              UMRA (62 FR 12820) (also available at                   22, 2001), requires Federal agencies to
                                                                                                      prepare and submit to the Office of                   § 430.32   [Amended]
                                              http://www.gc.doe.gov). This final rule
                                              contains neither an intergovernmental                   Information and Regulatory Affairs                    ■ 2. Section 430.32 is amended by:
                                              mandate nor a mandate that may result                   (OIRA), Office of Management and                      ■ a. In paragraphs (s)(3), (4), (5), and (6),
                                              in the expenditure of $100 million or                   Budget, a Statement of Energy Effects for             removing the language ‘‘January 7,
                                              more in any year, so these requirements                 any proposed significant energy action.               2019’’ each place it appears and adding
                                              under the UMRA do not apply.                            A ‘‘significant energy action’’ is defined            in its place ‘‘January 21, 2020’’.
                                                                                                      as any action by an agency that                       ■ b. In paragraph (s)(5), removing the
                                              I. Review Under the Treasury and                        promulgated or is expected to lead to                 language ‘‘paragraphs (s)(2) or (3)’’ and
                                              General Government Appropriations                       promulgation of a final rule, and that:               adding in its place ‘‘paragraph (s)(3) or
                                              Act, 1999                                               (1) Is a significant regulatory action                (4)’’.
                                                                                                      under Executive Order 12866, or any                   [FR Doc. 2018–10440 Filed 5–15–18; 8:45 am]
                                                 Section 654 of the Treasury and                      successor order; and (2) is likely to have            BILLING CODE 6450–01–P
                                              General Government Appropriations                       a significant adverse effect on the
                                              Act, 1999 (Pub. L. 105–277) requires                    supply, distribution, or use of energy, or
                                              Federal agencies to issue a Family                      (3) is designated by the Administrator of
                                              Policymaking Assessment for any rule                                                                          DEPARTMENT OF TRANSPORTATION
                                                                                                      OIRA as a significant energy action. For
                                              that may affect family well-being. This                 any proposed significant energy action,               Federal Aviation Administration
                                              final rule would not have any impact on                 the agency must give a detailed
                                              the autonomy or integrity of the family                 statement of any adverse effects on                   14 CFR Part 39
                                              as an institution. Accordingly, DOE has                 energy supply, distribution, or use
                                              concluded that it is not necessary to                   should the proposal be implemented,                   [Docket No. FAA–2018–0413; Product
                                              prepare a Family Policymaking                           and of reasonable alternatives to the                 Identifier 2018–NM–061–AD; Amendment
                                              Assessment.                                                                                                   39–19283; AD 2018–10–08]
                                                                                                      action and their expected benefits on
                                                                                                      energy supply, distribution, and use.                 RIN 2120–AA64
                                              J. Review Under Executive Order 12630,
                                                                                                      This final rule would not have a
                                              ‘‘Governmental Actions and                                                                                    Airworthiness Directives; Boeing
                                                                                                      significant adverse effect on the supply,
                                              Interference With Constitutionally                                                                            Airplanes
                                                                                                      distribution, or use of energy and,
                                              Protected Property Rights’’
                                                                                                      therefore, is not a significant energy
                                                                                                                                                            AGENCY:  Federal Aviation
                                                 The Department has determined,                       action. Accordingly, DOE has not
                                                                                                                                                            Administration (FAA), DOT.
                                              under Executive Order 12630,                            prepared a Statement of Energy Effects.
                                                                                                                                                            ACTION: Final rule; request for
                                              ‘‘Governmental Actions and Interference                 M. Congressional Notification                         comments.
nshattuck on DSK9F9SC42PROD with RULES




                                              With Constitutionally Protected
                                              Property Rights,’’ 53 FR 8859 (March 18,                  As required by 5 U.S.C. 801, DOE will               SUMMARY:  We are superseding
                                              1988), that this rule would not result in               report to Congress on the promulgation                Airworthiness Directive (AD) 2016–09–
                                              any takings which might require                         of this rule prior to its effective date.             05, which applied to certain The Boeing
                                              compensation under the Fifth                            The report will state that it has been                Company Model 717–200 airplanes. AD
                                              Amendment to the United States                          determined that the rule is not a ‘‘major             2016–09–05 required a detailed
                                              Constitution.                                           rule’’ as defined by 5 U.S.C. 804(2).                 inspection for distress of the vertical


                                         VerDate Sep<11>2014   13:12 May 15, 2018   Jkt 244001   PO 00000   Frm 00003   Fmt 4700   Sfmt 4700   E:\FR\FM\16MYR1.SGM   16MYR1


                                              22590             Federal Register / Vol. 83, No. 95 / Wednesday, May 16, 2018 / Rules and Regulations

                                              stabilizer leading edge skin, and related               the regulatory evaluation, any                        are issuing this AD to address the unsafe
                                              investigative and corrective actions if                 comments received, and other                          condition on these products.
                                              necessary. It also required, for certain                information. The street address for
                                                                                                                                                            Related Service Information Under 1
                                              airplanes, repetitive inspections of the                Docket Operations (phone: 800–647–
                                                                                                                                                            CFR Part 51
                                              front spar cap for any loose or missing                 5527) is in the ADDRESSES section.
                                              fasteners, or any cracking, and related                 Comments will be available in the AD                    We reviewed Boeing Alert Service
                                              investigative and corrective actions if                 docket shortly after receipt.                         Bulletin 717–55A0012, Revision 1,
                                              necessary. This AD requires repetitive                                                                        dated April 11, 2018. The service
                                                                                                      FOR FURTHER INFORMATION CONTACT:
                                              inspections for distress, cracking, and                                                                       information describes procedures for
                                                                                                      Muoi Vuong, Aerospace Engineer,                       doing detailed inspections of the front
                                              loose or missing fasteners in the vertical
                                                                                                      Airframe Section, FAA, Los Angeles                    spar cap for any loose or missing
                                              stabilizer leading edge skin and front
                                                                                                      ACO Branch, 3960 Paramount                            fasteners, ETHF or RT inspections for
                                              spar cap, with new compliance times for
                                                                                                      Boulevard, Lakewood, CA 90712–4137;                   distress and for cracking in the vertical
                                              certain airplanes. This AD was
                                                                                                      phone: 562–627–5205; fax: 562–627–                    stabilizer leading edge and front spar
                                              prompted by reports of cracking in the
                                                                                                      5210; email: muoi.vuong@faa.gov.                      cap at the splice at station Zfs=52.267,
                                              leading edge of the vertical stabilizer
                                              and front spar web. We are issuing this                 SUPPLEMENTARY INFORMATION:                            and applicable on-condition actions.
                                              AD to address the unsafe condition on                                                                         This service information is reasonably
                                                                                                      Discussion                                            available because the interested parties
                                              these products.
                                              DATES: This AD is effective May 31,                        We issued AD 2016–09–05,                           have access to it through their normal
                                              2018.                                                   Amendment 39–18503 (81 FR 26673,                      course of business or by the means
                                                 The Director of the Federal Register                 May 4, 2016) (‘‘AD 2016–09–05’’), for                 identified in the ADDRESSES section.
                                              approved the incorporation by reference                 certain The Boeing Company Model                      FAA’s Determination
                                              of a certain publication listed in this AD              717–200 airplanes. AD 2016–09–05
                                                                                                      required a detailed inspection for any                  We are issuing this AD because we
                                              as of May 31, 2018.
                                                                                                      distress of the vertical stabilizer leading           evaluated all the relevant information
                                              ADDRESSES: You may send comments,                                                                             and determined the unsafe condition
                                              using the procedures found in 14 CFR                    edge skin, and related investigative and
                                                                                                      corrective actions if necessary. It also              described previously is likely to exist or
                                              11.43 and 11.45, by any of the following                                                                      develop in other products of the same
                                              methods:                                                required, for certain airplanes, repetitive
                                                                                                      detailed inspections of the front spar                type design.
                                                 • Federal eRulemaking Portal: Go to
                                              http://www.regulations.gov. Follow the                  cap for any loose or missing fasteners,               AD Requirements
                                              instructions for submitting comments.                   repetitive eddy current testing high
                                                                                                                                                              Although this AD does not explicitly
                                                 • Fax: 202–493–2251.                                 frequency (ETHF) and radiographic
                                                                                                                                                            restate the requirements of AD 2016–
                                                 • Mail: U.S. Department of                           testing (RT) inspections of the front spar
                                                                                                                                                            09–05, this AD would retain the
                                              Transportation, Docket Operations,                      cap for any crack, and related
                                                                                                                                                            requirements of AD 2016–09–05, with
                                              M–30, West Building Ground Floor,                       investigative and corrective actions if
                                                                                                                                                            revised compliance times for airplanes
                                              Room W12–140, 1200 New Jersey                           necessary. AD 2016–09–05 resulted
                                                                                                                                                            that have not completed the
                                              Avenue SE, Washington, DC 20590.                        from reports of 10 cases of elongated
                                                                                                                                                            requirements of AD 2016–09–05. The
                                                 • Hand Delivery: Deliver to Mail                     fastener holes in the vertical stabilizer
                                                                                                                                                            requirements of AD 2016–09–05 are
                                              address above between 9 a.m. and 5                      leading edge. We issued AD 2016–09–05
                                                                                                                                                            referenced in the service information
                                              p.m., Monday through Friday, except                     to address cracking in the vertical
                                                                                                                                                            identified previously, which, in turn, is
                                              Federal holidays.                                       stabilizer leading edge and front spar
                                                                                                                                                            referenced in paragraph (g) of this AD.
                                                 For service information identified in                cap, which may result in the structure
                                              this final rule, contact Boeing                         becoming unable to support limit load,                FAA’s Justification and Determination
                                              Commercial Airplanes, Attention:                        and may lead to the loss of the vertical              of the Effective Date
                                              Contractual & Data Services (C&DS),                     stabilizer.                                              An unsafe condition exists that
                                              2600 Westminster Blvd., MC 110–SK57,                    Actions Since AD 2016–09–05 Was                       requires the immediate adoption of this
                                              Seal Beach, CA 90740–5600; telephone                    Issued                                                AD without providing an opportunity
                                              562–797–1717; internet https://                                                                               for public comment prior to adoption.
                                              www.myboeingfleet.com. You may view                        Since we issued AD 2016–09–05, four                The FAA has found that the risk to the
                                              this service information at the FAA,                    cases of elongated fastener holes in the              flying public justifies waiving notice
                                              Transport Standards Branch, 2200                        vertical stabilizer leading edge and nine             and comment prior to adoption of this
                                              South 216th St., Des Moines, WA. For                    cases of front spar cap damage or cracks              rule because cracks in the vertical
                                              information on the availability of this                 were reported. Seven of the nine cases                stabilizer leading edge and front spar
                                              material at the FAA, call 206–231–3195.                 involved small cracks of approximately                cap could result in the structure
                                              It is also available on the internet at                 0.3 inch in the front spar cap. Two of                becoming unable to support limit load,
                                              http://www.regulations.gov by searching                 the nine cases involved a severed front               and may lead to the loss of the vertical
                                              for and locating Docket No. FAA–2018–                   spar cap and front spar web cracking,                 stabilizer. Therefore, we find good cause
                                              0413.                                                   and one also involved skin cracking.                  that notice and opportunity for prior
                                                                                                      The longest cracks, 4.5 inches in length,             public comment are impracticable. In
                                              Examining the AD Docket                                 were discovered in the left skin of the               addition, for the reason(s) stated above,
                                                You may examine the AD docket on                      vertical stabilizer leading edge and the              we find that good cause exists for
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                                              the internet at http://                                 front spar web of a Boeing Model 717–                 making this amendment effective in less
                                              www.regulations.gov by searching for                    200 airplane during an initial inspection             than 30 days.
                                              and locating Docket No. FAA–2018–                       required by AD 2016–09–05. We
                                              0413; or in person at Docket Operations                 determined that for airplanes on which                Comments Invited
                                              between 9 a.m. and 5 p.m., Monday                       an initial inspection has not been done                 This AD is a final rule that involves
                                              through Friday, except Federal holidays.                as specified in AD 2016–09–05, a                      requirements affecting flight safety and
                                              The AD docket contains this final rule,                 revised compliance time is needed. We                 was not preceded by notice and an


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                                                                Federal Register / Vol. 83, No. 95 / Wednesday, May 16, 2018 / Rules and Regulations                                                    22591

                                              opportunity for public comment.                          comments on the overall regulatory,                     will also post a report summarizing each
                                              However, we invite you to send any                       economic, environmental, and energy                     substantive verbal contact we receive
                                              written data, views, or arguments about                  aspects of this final rule. We will                     about this final rule.
                                              this final rule. Send your comments to                   consider all comments received by the
                                                                                                       closing date and may amend this final                   Costs of Compliance
                                              an address listed under the ADDRESSES
                                              section. Include the docket number                       rule because of those comments.                           We estimate that this AD affects 106
                                              FAA–2018–0413 and Product Identifier                       We will post all comments we
                                                                                                       receive, without change, to http://                     airplanes of U.S. registry. We estimate
                                              2018–NM–061–AD at the beginning of                                                                               the following costs to comply with this
                                                                                                       www.regulations.gov, including any
                                              your comments. We specifically invite                                                                            AD:
                                                                                                       personal information you provide. We
                                                                                                                    ESTIMATED COSTS
                                                                                                                                                                                               Cost on U.S.
                                                                Action                                           Labor cost                       Parts cost         Cost per product           operators

                                              Inspections for distress (retained actions         11 work-hours × $85 per hour = $935                           $0   $935 per inspection    $99,110 per inspec-
                                                from AD 2016–09–05).                               per inspection cycle.                                              cycle.                 tion cycle.
                                              Repetitive inspections for cracking and            7 work-hours × $85 per hour = $595                             0   $595 per inspection    $63,070 per inspec-
                                                loose or missing fasteners (retained               per inspection cycle.                                              cycle.                 tion cycle.
                                                actions from AD 2016–09–05).



                                                The new requirements of this AD add                    Regulatory Findings                                     FR 26673, May 4, 2016), and adding the
                                              no additional economic burden.                             We have determined that this AD will                  following new AD:
                                                We have received no definitive data                    not have federalism implications under                  2018–10–08 The Boeing Company:
                                              that would enable us to provide cost                     Executive Order 13132. This AD will                         Amendment 39–19283; Docket No.
                                              estimates for the on-condition actions                   not have a substantial direct effect on                     FAA–2018–0413; Product Identifier
                                              specified in this AD.                                    the States, on the relationship between                     2018–NM–061–AD.
                                                                                                       the national government and the States,                 (a) Effective Date
                                              Authority for This Rulemaking                            or on the distribution of power and
                                                                                                                                                                  This Airworthiness Directive (AD)is
                                                 Title 49 of the United States Code                    responsibilities among the various                      effective May 31, 2018.
                                                                                                       levels of government.
                                              specifies the FAA’s authority to issue                                                                           (b) Affected ADs
                                                                                                         For the reasons discussed above, I
                                              rules on aviation safety. Subtitle I,                    certify that this AD:                                     This AD replaces AD 2016–09–05,
                                              Section 106, describes the authority of                    (1) Is not a ‘‘significant regulatory                 Amendment 39–18503 (81 FR 26673, May 4,
                                              the FAA Administrator. Subtitle VII,                     action’’ under Executive Order 12866,                   2016) (‘‘AD 2016–09–05’’).
                                              Aviation Programs, describes in more                       (2) Is not a ‘‘significant rule’’ under
                                              detail the scope of the Agency’s                                                                                 (c) Applicability
                                                                                                       DOT Regulatory Policies and Procedures
                                              authority.                                               (44 FR 11034, February 26, 1979),                         This AD applies to The Boeing Company
                                                                                                         (3) Will not affect intrastate aviation               Model 717–200 airplanes, certificated in any
                                                 We are issuing this rulemaking under
                                                                                                       in Alaska, and                                          category, as identified in Boeing Alert
                                              the authority described in Subtitle VII,                                                                         Service Bulletin 717–55A0012, Revision 1,
                                              Part A, Subpart III, Section 44701,                        (4) Will not have a significant
                                                                                                       economic impact, positive or negative,                  dated April 11, 2018.
                                              ‘‘General requirements.’’ Under that
                                                                                                       on a substantial number of small entities               (d) Subject
                                              section, Congress charges the FAA with
                                                                                                       under the criteria of the Regulatory                     Air Transport Association (ATA) of
                                              promoting safe flight of civil aircraft in
                                                                                                       Flexibility Act.                                        America Code 55, Stabilizers.
                                              air commerce by prescribing regulations
                                              for practices, methods, and procedures                   List of Subjects in 14 CFR Part 39                      (e) Unsafe Condition
                                              the Administrator finds necessary for                      Air transportation, Aircraft, Aviation                  This AD was prompted by multiple reports
                                              safety in air commerce. This regulation                  safety, Incorporation by reference,                     of the vertical stabilizer leading edge
                                              is within the scope of that authority                    Safety.                                                 showing signs of fastener distress, multiple
                                              because it addresses an unsafe condition                                                                         cracked or severed front spar caps, and
                                              that is likely to exist or develop on                    Adoption of the Amendment                               cracks in the left skin of the vertical stabilizer
                                              products identified in this rulemaking                     Accordingly, under the authority                      leading edge and in the front spar web,
                                              action.                                                  delegated to me by the Administrator,                   discovered during initial inspections
                                                                                                       the FAA amends 14 CFR part 39 as                        required by AD 2016–09–05. We have
                                                 This AD is issued in accordance with                                                                          determined that a revised compliance time is
                                                                                                       follows:
                                              authority delegated by the Executive                                                                             needed for airplanes on which the initial
                                              Director, Aircraft Certification Service,                PART 39—AIRWORTHINESS                                   inspection has not been done as specified in
                                              as authorized by FAA Order 8000.51C.                     DIRECTIVES                                              AD 2016–09–05. We are issuing this AD to
                                              In accordance with that order, issuance                                                                          address cracking in the vertical stabilizer
                                              of ADs is normally a function of the                     ■ 1. The authority citation for part 39                 leading edge and front spar cap, which may
                                                                                                                                                               result in the structure becoming unable to
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                                              Compliance and Airworthiness                             continues to read as follows:
                                              Division, but during this transition                                                                             support limit load, and may lead to loss of
                                                                                                           Authority: 49 U.S.C. 106(g), 40113, 44701.
                                              period, the Executive Director has                                                                               the vertical stabilizer.
                                              delegated the authority to issue ADs                     § 39.13   [Amended]                                     (f) Compliance
                                              applicable to transport category                         ■ 2. The FAA amends § 39.13 by                            Comply with this AD within the
                                              airplanes to the Director of the System                  removing Airworthiness Directive (AD)                   compliance times specified, unless already
                                              Oversight Division.                                      2016–09–05, Amendment 39–18503 (81                      done.



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                                              22592             Federal Register / Vol. 83, No. 95 / Wednesday, May 16, 2018 / Rules and Regulations

                                              (g) Required Actions                                    Designation Authorization (ODA) that has              information on the availability of this
                                                 Except as required by paragraph (h) of this          been authorized by the Manager, Los Angeles           material at the FAA, call 206–231–3195.
                                              AD, at the applicable time specified in                 ACO Branch, to make those findings. To be               (5) You may view this service information
                                              paragraph 1.E., ‘‘Compliance,’’ of Boeing               approved, the repair method, modification             that is incorporated by reference at the
                                              Alert Service Bulletin 717–55A0012,                     deviation, or alteration deviation must meet          National Archives and Records
                                              Revision 1, dated April 11, 2018, do all                the certification basis of the airplane, and the      Administration (NARA). For information on
                                              applicable actions identified as ‘‘RC’’                 approval must specifically refer to this AD.          the availability of this material at NARA, call
                                              (required for compliance) in, and in                       (4) AMOCs approved previously for AD               202–741–6030, or go to: http://
                                              accordance with, the Accomplishment                     2016–09–05 are approved as AMOCs for the              www.archives.gov/federal-register/cfr/ibr-
                                              Instructions of Boeing Alert Service Bulletin           corresponding provisions of Boeing Alert              locations.html.
                                                                                                      Service Bulletin 717–55A0012, Revision 1,
                                              717–55A0012, Revision 1, dated April 11,
                                                                                                      dated April 11, 2018, that are required by               Issued in Des Moines, Washington, on May
                                              2018.
                                                                                                      paragraph (g) of this AD.                             8, 2018.
                                              (h) Exceptions to Service Information                      (5) Except as required by paragraph (h)(2)         Jeffrey E. Duven,
                                              Specifications                                          of this AD: For service information that
                                                                                                      contains steps that are labeled as Required           Director, System Oversight Division, Aircraft
                                                (1) For purposes of determining                                                                             Certification Service.
                                              compliance with the requirements of this AD:            for Compliance (RC), the provisions of
                                                                                                      paragraphs (j)(5)(i) and (j)(5)(ii) of this AD        [FR Doc. 2018–10413 Filed 5–15–18; 8:45 am]
                                              Where Boeing Alert Service Bulletin 717–
                                              55A0012, Revision 1, dated April 11, 2018,              apply.                                                BILLING CODE 4910–13–P
                                                                                                         (i) The steps labeled as RC, including
                                              uses the phrase ‘‘the Revision 1 issue date of
                                                                                                      substeps under an RC step and any figures
                                              this service bulletin,’’ this AD requires using
                                                                                                      identified in an RC step, must be done to
                                              the effective date of this AD.                                                                                DEPARTMENT OF HOMELAND
                                                                                                      comply with the AD. If a step or substep is
                                                (2) Where Boeing Alert Service Bulletin
                                                                                                      labeled ‘‘RC Exempt,’’ then the RC                    SECURITY
                                              717–55A0012, Revision 1, dated April 11,
                                                                                                      requirement is removed from that step or
                                              2018, specifies contacting Boeing, and
                                                                                                      substep. An AMOC is required for any                  Coast Guard
                                              specifies that action as RC: This AD requires
                                                                                                      deviations to RC steps, including substeps
                                              repair using a method approved in
                                                                                                      and identified figures.                               33 CFR Part 165
                                              accordance with the procedures specified in
                                                                                                         (ii) Steps not labeled as RC may be
                                              paragraph (j) of this AD.                               deviated from using accepted methods in               [Docket No. USCG–2018–0250]
                                              (i) Credit for Previous Actions                         accordance with the operator’s maintenance
                                                                                                      or inspection program without obtaining               Safety Zones; Fireworks and Swim
                                                 (1) This paragraph provides credit for the
                                                                                                      approval of an AMOC, provided the RC steps,           Events in Captain of the Port New York
                                              initial inspection specified in paragraph (g)
                                                                                                      including substeps and identified figures, can        Zone
                                              of this AD, if that inspection was performed
                                                                                                      still be done as specified, and the airplane
                                              before June 8, 2016 (the effective date of AD
                                                                                                      can be put back in an airworthy condition.            AGENCY:  Coast Guard, DHS.
                                              2016–09–05), using Boeing MOM–MOM–14–
                                              0437–01B(R1), dated July 3, 2014. This                  (k) Related Information                               ACTION: Notice of enforcement of
                                              service information is not incorporated by                (1) For more information about this AD,             regulation.
                                              reference in this AD.                                   contact: Muoi Vuong, Aerospace Engineer,
                                                 (2) This paragraph provides credit for the           Airframe Section, FAA, Los Angeles ACO                SUMMARY:   The Coast Guard will enforce
                                              actions specified in paragraph (g) of this AD,          Branch, 3960 Paramount Boulevard,                     various safety zones within the Captain
                                              if those actions were performed before the              Lakewood, CA 90712–4137; phone: 562–627–              of the Port New York Zone on the
                                              effective date of this AD using Boeing Alert            5205; fax: 562–627–5210; email:                       specified dates and times. This action is
                                              Service Bulletin 717–55A0012, dated June                muoi.vuong@faa.gov.                                   necessary to ensure the safety of vessels,
                                              12, 2015. This service information was                    (2) Service information identified in this
                                              incorporated by reference in AD 2016–09–05.                                                                   spectators and participants from hazards
                                                                                                      AD that is not incorporated by reference is           associated with fireworks. During the
                                              (j) Alternative Methods of Compliance                   available at the addresses specified in
                                                                                                      paragraphs (l)(3) and (l)(4) of this AD.
                                                                                                                                                            enforcement period, no person or vessel
                                              (AMOCs)                                                                                                       may enter the safety zones without
                                                 (1) The Manager, Los Angeles ACO Branch,             (l) Material Incorporated by Reference                permission of the Captain of the Port
                                              FAA, has the authority to approve AMOCs                    (1) The Director of the Federal Register           (COTP).
                                              for this AD, if requested using the procedures          approved the incorporation by reference
                                              found in 14 CFR 39.19. In accordance with               (IBR) of the service information listed in this       DATES:  The regulation for the safety
                                              14 CFR 39.19, send your request to your                 paragraph under 5 U.S.C. 552(a) and 1 CFR             zones described in 33 CFR 165.160 will
                                              principal inspector or local Flight Standards           part 51.                                              be enforced on the dates and times
                                              District Office, as appropriate. If sending                (2) You must use this service information          listed in the table below.
                                              information directly to the manager of the              as applicable to do the actions required by           FOR FURTHER INFORMATION CONTACT: If
                                              certification office, send it to the attention of       this AD, unless the AD specifies otherwise.
                                              the person identified in paragraph (k)(1) of                                                                  you have questions regarding this
                                                                                                         (i) Boeing Alert Service Bulletin 717–
                                              this AD. Information may be emailed to: 9-              55A0012, Revision 1, dated April 11, 2018.            document, call or email Petty Officer
                                              ANM-LAACO-AMOC-Requests@faa.gov.                           (ii) Reserved.                                     First Class Ronald Sampert U.S. Coast
                                                 (2) Before using any approved AMOC,                     (3) For service information identified in          Guard; telephone 718–354–4197, email
                                              notify your appropriate principal inspector,            this AD, contact Boeing Commercial                    ronald.j.sampert@uscg.mil.
                                              or lacking a principal inspector, the manager           Airplanes, Attention: Contractual & Data              SUPPLEMENTARY INFORMATION: The Coast
                                              of the local flight standards district office/          Services (C&DS), 2600 Westminster Blvd.,              Guard will enforce the safety zones
                                              certificate holding district office.                    MC 110–SK57, Seal Beach, CA 90740–5600;
                                                 (3) An AMOC that provides an acceptable              telephone 562–797–1717; internet https://
                                                                                                                                                            listed in 33 CFR 165.160 on the
                                              level of safety may be used for any repair,             www.myboeingfleet.com.                                specified dates and times as indicated in
                                                                                                                                                            Tables 1 and 2 below. This regulation
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                                              modification, or alteration required by this               (4) You may view this service information
                                              AD if it is approved by the Boeing                      at FAA, Transport Standards Branch, 2200              was published in the Federal Register
                                              Commercial Airplanes Organization                       South 216th St., Des Moines, WA. For                  on November 9, 2011 (76 FR 69614).




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Document Created: 2018-11-02 09:14:11
Document Modified: 2018-11-02 09:14:11
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; request for comments.
DatesThis AD is effective May 31, 2018.
ContactMuoi Vuong, Aerospace Engineer, Airframe Section, FAA, Los Angeles ACO Branch, 3960 Paramount Boulevard, Lakewood, CA 90712-4137; phone: 562-627-5205; fax: 562-627- 5210; email: [email protected]
FR Citation83 FR 22589 
RIN Number2120-AA64
CFR AssociatedAir Transportation; Aircraft; Aviation Safety; Incorporation by Reference and Safety

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