81_FR_8702 81 FR 8668 - Airworthiness Directives; The Boeing Company Airplanes

81 FR 8668 - Airworthiness Directives; The Boeing Company Airplanes

DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration

Federal Register Volume 81, Issue 34 (February 22, 2016)

Page Range8668-8671
FR Document2016-03466

We propose to adopt a new airworthiness directive (AD) for certain The Boeing Company Model 767-200 and -300 series airplanes. This proposed AD was prompted by an evaluation by the design approval holder (DAH) indicating that the aft pressure bulkhead at a certain area is subject to widespread fatigue damage (WFD). This proposed AD would require replacing the aft pressure bulkhead with a new, improved aft pressure bulkhead, and doing related investigative and corrective actions if necessary. We are proposing this AD to prevent fatigue cracking in the radial web lap splices of the aft pressure bulkhead. Such cracking could result in rapid decompression and consequent reduced structural integrity of the airplane.

Federal Register, Volume 81 Issue 34 (Monday, February 22, 2016)
[Federal Register Volume 81, Number 34 (Monday, February 22, 2016)]
[Proposed Rules]
[Pages 8668-8671]
From the Federal Register Online  [www.thefederalregister.org]
[FR Doc No: 2016-03466]


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

Federal Aviation Administration

14 CFR Part 39

[Docket No. FAA-2016-3698; Directorate Identifier 2015-NM-138-AD]
RIN 2120-AA64


Airworthiness Directives; The Boeing Company Airplanes

AGENCY: Federal Aviation Administration (FAA), DOT.

ACTION: Notice of proposed rulemaking (NPRM).

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

SUMMARY: We propose to adopt a new airworthiness directive (AD) for 
certain The Boeing Company Model 767-200 and -300 series airplanes. 
This proposed AD was prompted by an evaluation by the design approval 
holder (DAH) indicating that the aft pressure bulkhead at a certain 
area is subject to widespread fatigue damage (WFD). This proposed AD 
would require replacing the aft pressure bulkhead with a new, improved 
aft pressure bulkhead, and doing related investigative and corrective 
actions if necessary. We are proposing this AD to prevent fatigue 
cracking in the radial web lap splices of the aft pressure bulkhead. 
Such cracking could result in rapid decompression and consequent 
reduced structural integrity of the airplane.

DATES: We must receive comments on this proposed AD by April 7, 2016.

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 NPRM, contact Boeing 
Commercial

[[Page 8669]]

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 http://www.regulations.gov by searching 
for and locating Docket No. FAA-2016-3698.

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-2016-
3698; 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 proposed AD, the regulatory evaluation, any comments 
received, and other information. The street address for the Docket 
Office (phone: 800-647-5527) is in the ADDRESSES section. Comments will 
be available in the AD docket shortly after receipt.

FOR FURTHER INFORMATION CONTACT: Wayne Lockett, Aerospace Engineer, 
Airframe Branch, ANM-120S, FAA, Seattle Aircraft Certification Office 
(ACO), 1601 Lind Avenue SW., Renton, WA 98057-3356; phone: 425-917-
6447; fax: 425-917-6590; email: [email protected].

SUPPLEMENTARY INFORMATION: 

Comments Invited

    We invite you to send any written relevant data, views, or 
arguments about this proposal. Send your comments to an address listed 
under the ADDRESSES section. Include ``Docket No. FAA-2016-3698; 
Directorate Identifier 2015-NM-138-AD'' at the beginning of your 
comments. We specifically invite comments on the overall regulatory, 
economic, environmental, and energy aspects of this proposed AD. We 
will consider all comments received by the closing date and may amend 
this proposed AD 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 proposed AD.

Discussion

    Structural fatigue damage is progressive. It begins as minute 
cracks, and those cracks grow under the action of repeated stresses. 
This can happen because of normal operational conditions and design 
attributes, or because of isolated situations or incidents such as 
material defects, poor fabrication quality, or corrosion pits, dings, 
or scratches. Fatigue damage can occur locally, in small areas or 
structural design details, or globally. Global fatigue damage is 
general degradation of large areas of structure with similar structural 
details and stress levels. Multiple-site damage is global damage that 
occurs in a large structural element such as a single rivet line of a 
lap splice joining two large skin panels. Global damage can also occur 
in multiple elements such as adjacent frames or stringers. Multiple-
site-damage and multiple-element-damage cracks are typically too small 
initially to be reliably detected with normal inspection methods. 
Without intervention, these cracks will grow, and eventually compromise 
the structural integrity of the airplane, in a condition known as WFD. 
As an airplane ages, WFD will likely occur, and will certainly occur if 
the airplane is operated long enough without any intervention.
    The FAA's WFD final rule (75 FR 69746, November 15, 2010) became 
effective on January 14, 2011. The WFD rule requires certain actions to 
prevent structural failure due to WFD throughout the operational life 
of certain existing transport category airplanes and all of these 
airplanes that will be certificated in the future. For existing and 
future airplanes subject to the WFD rule, the rule requires that DAHs 
establish a limit of validity (LOV) of the engineering data that 
support the structural maintenance program. Operators affected by the 
WFD rule may not fly an airplane beyond its LOV, unless an extended LOV 
is approved.
    The WFD rule (75 FR 69746, November 15, 2010) does not require 
identifying and developing maintenance actions if the DAHs can show 
that such actions are not necessary to prevent WFD before the airplane 
reaches the LOV. Many LOVs, however, do depend on accomplishment of 
future maintenance actions. As stated in the WFD rule, any maintenance 
actions necessary to reach the LOV will be mandated by airworthiness 
directives through separate rulemaking actions.
    In the context of WFD, this action is necessary to enable DAHs to 
propose LOVs that allow operators the longest operational lives for 
their airplanes, and still ensure that WFD will not occur. This 
approach allows for an implementation strategy that provides 
flexibility to DAHs in determining the timing of service information 
development (with FAA approval), while providing operators with 
certainty regarding the LOV applicable to their airplanes.
    We have determined that the aft pressure bulkhead at Station 1582 
is subject to WFD. If fatigue cracking in the radial web lap splices of 
the aft pressure bulkhead is not found and repaired, the cracks can 
rapidly link up and become large, which could result in rapid 
decompression and consequent reduced structural integrity of the 
airplane.

Related Rulemaking

    On February 25, 2004, we issued AD 2004-05-16, Amendment 39-13511 
(69 FR 10917, March 9, 2004), applicable to certain Boeing Model 767-
200 and -300 series airplanes. That AD requires repetitive inspections 
of the aft pressure bulkhead web, and corrective action, if necessary. 
The actions required by AD 2004-05-16 are intended to detect and 
correct fatigue cracks in the aft pressure bulkhead web, which could 
result in uncontrolled rapid decompression.
    On July 1, 2004, we issued AD 2004-14-19, Amendment 39-13728 (69 FR 
42549, July 16, 2004), applicable to all Boeing Model 767 series 
airplanes. That AD requires repetitive detailed inspections of the aft 
pressure bulkhead for indications of ``oil cans'' and previous ``oil 
can'' repairs, and corrective actions if necessary. The actions 
required by AD 2004-14-19 are intended to detect and correct the 
propagation of fatigue cracks in the vicinity of ``oil cans'' on the 
web of the aft pressure bulkhead, which could result in rapid 
decompression of the passenger cabin, possible damage or interference 
with the airplane control systems that pass through the bulkhead, and 
consequent loss of control of the airplane.
    On March 12, 2009, we issued AD 2009-06-19, Amendment 39-15856 (74 
FR 12243, March 24, 2009), applicable to certain Boeing Model 767-200 
and 767-300 series airplanes. That AD requires detailed inspections of 
the aft pressure bulkhead for damage, mid-frequency eddy current (MFEC) 
and low frequency eddy current (LFEC) inspections of radial web lap 
splices, tear strap splices, and super tear strap splices for cracking, 
and corrective actions if necessary. The actions required by AD 2009-
06-19 are intended to detect and correct fatigue

[[Page 8670]]

cracks of the aft pressure bulkhead, which could result in rapid 
decompression of the passenger compartment and possible damage or 
interference with airplane control systems that penetrate the bulkhead, 
and consequent loss of controllability of the airplane.

Related Service Information Under 1 CFR Part 51

    We reviewed Boeing Alert Service Bulletin 767-53A0267, dated August 
13, 2015. The service information describes procedures for replacing 
the aft pressure bulkhead at Station 1582 of Section 48 with a new, 
improved aft pressure bulkhead, including all applicable related 
investigative and corrective 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 proposing 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.

Proposed AD Requirements

    This proposed AD would require accomplishing the actions specified 
in the service information described previously, except as discussed 
under ``Difference Between this Proposed AD and the Service 
Information.'' For information on the procedures and compliance times, 
see this service information at http://www.regulations.gov by searching 
for and locating Docket No. FAA-2016-3698.
    The phrase ``related investigative actions'' is used in this 
proposed AD. ``Related investigative actions'' are follow-on actions 
that (1) are related to the primary action, and (2) further investigate 
the nature of any condition found. Related investigative actions in an 
AD could include, for example, inspections.
    The phrase ``corrective actions'' is used in this proposed AD. 
``Corrective actions'' are actions that correct or address any 
condition found. Corrective actions in an AD could include, for 
example, repairs.

Difference Between This Proposed AD and the Service Information

    The service bulletin specifies to contact the manufacturer for 
instructions on how to repair certain conditions, but this proposed AD 
would require repairing those conditions in one of the following ways:
     In accordance with a method that we approve; or
     Using data that meet the certification basis of the 
airplane, and that have been approved by the Boeing Commercial 
Airplanes Organization Designation Authorization (ODA) whom we have 
authorized to make those findings.

Explanation of Compliance Time

    The compliance time for the replacement specified in this proposed 
AD for addressing WFD was established to ensure that discrepant 
structure is replaced before WFD develops in airplanes. Standard 
inspection techniques cannot be relied on to detect WFD before it 
becomes a hazard to flight. We will not grant any extensions of the 
compliance time to complete any AD-mandated service bulletin related to 
WFD without extensive new data that would substantiate and clearly 
warrant such an extension.

Costs of Compliance

    We estimate that this proposed AD affects 86 airplanes of U.S. 
registry.
    We estimate the following costs to comply with this proposed AD:

                                                 Estimated Costs
----------------------------------------------------------------------------------------------------------------
                                                                                    Cost per       Cost on U.S.
               Action                        Labor cost           Parts cost        product         operators
----------------------------------------------------------------------------------------------------------------
Replacement.........................  1,541 work-hours x $85         $646,889         $777,874      $66,897,164
                                       per hour = $130,985.
----------------------------------------------------------------------------------------------------------------

    We have received no definitive data that would enable us to provide 
cost estimates for the on-condition investigative and corrective 
actions specified in this proposed 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 determined that this proposed AD would not have federalism 
implications under Executive Order 13132. This proposed AD would 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 this proposed 
regulation:
    (1) Is not a ``significant regulatory action'' under Executive 
Order 12866,
    (2) Is not a ``significant rule'' under the 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.

The Proposed Amendment

    Accordingly, under the authority delegated to me by the 
Administrator, the FAA proposes to amend 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.

[[Page 8671]]

Sec.  39.13  [Amended]

0
2. The FAA amends Sec.  39.13 by adding the following new airworthiness 
directive (AD):

The Boeing Company: Docket No. FAA-2016-3698; Directorate Identifier 
2015-NM-138-AD.

(a) Comments Due Date

    We must receive comments by April 7, 2016.

(b) Affected ADs

    This AD affects the ADs specified in paragraphs (b)(1), (b)(2), 
and (b)(3) of this AD.
    (1) AD 2004-05-16, Amendment 39-13511 (69 FR 10917, March 9, 
2004).
    (2) AD 2004-14-19, Amendment 39-13728 (69 FR 42549, July 16, 
2004).
    (3) AD 2009-06-19, Amendment 39-15856 (74 FR 12243, March 24, 
2009).

(c) Applicability

    This AD applies to The Boeing Company Model 767-200 and -300 
series airplanes, certificated in any category, as identified in 
Boeing Alert Service Bulletin 767-53A0267, dated August 13, 2015.

(d) Subject

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

(e) Unsafe Condition

    This AD was prompted by an evaluation by the design approval 
holder (DAH) indicating that the aft pressure bulkhead at Station 
1582 is subject to widespread fatigue damage (WFD). We are issuing 
this AD to prevent fatigue cracking in the radial web lap splices of 
the aft pressure bulkhead. Such cracking could result in rapid 
decompression and consequent reduced structural integrity of the 
airplane.

(f) Compliance

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

(g) Replacement and Related Investigative and Corrective Actions

    Before the accumulation of 60,000 total flight cycles, or within 
36 months after the effective date of this AD, whichever occurs 
later, but not earlier than 37,500 total accumulated flight cycles: 
Replace the aft pressure bulkhead at Station 1582 of Section 48 with 
a new, improved aft pressure bulkhead, and perform all applicable 
related investigative and corrective actions, in accordance with the 
Accomplishment Instructions of Boeing Alert Service Bulletin 767-
53A0267, dated August 13, 2015; except as required by paragraph (h) 
of this AD. Do all applicable related investigative and corrective 
actions before further flight. Accomplishing the replacement in this 
paragraph terminates the repetitive inspections of the aft pressure 
bulkhead required by the ADs identified in paragraphs (g)(1), 
(g)(2), and (g)(3) of this AD.
    (1) Paragraphs (a) and (b) of AD 2004-05-16, Amendment 39-13511 
(69 FR 10917, March 9, 2004).
    (2) Paragraphs (b), (c), and (d) of AD 2004-14-19, Amendment 39-
13728 (69 FR 42549, July 16, 2004).
    (3) Paragraph (f) of AD 2009-06-19, Amendment 39-15856 (74 FR 
12243, March 24, 2009).

(h) Corrective Actions

    If any defect (e.g., rifling, gouging, nicks, or burrs, or 
excessive surface roughness) is found in any fastener hole (other 
than normally produced during a typical reaming operation), during 
accomplishment of any inspection (related investigative actions) 
required by this AD, and Boeing Alert Service Bulletin 767-53A0267, 
dated August 13, 2015, specifies to contact Boeing for repair 
instructions: Before further flight, repair in accordance with the 
procedures specified in paragraph (j) of this AD.

(i) Exception to the Service Information

    Where Boeing Alert Service Bulletin 767-53A0267, dated August 
13, 2015, specifies a compliance time ``after the original issue 
date of this service bulletin,'' this AD requires compliance within 
the specified time after the effective date of this AD.

(j) Alternative Methods of Compliance (AMOCs)

    (1) The Manager, Seattle 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 (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, Seattle ACO, to make those findings. For a repair method 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) Except as required by paragraph (h) of this AD: For service 
information that contains steps that are labeled as Required for 
Compliance (RC), the provisions of paragraphs (j)(4)(i) and 
(j)(4)(ii) 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. 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 Wayne Lockett, 
Aerospace Engineer, Airframe Branch, ANM-120S, FAA, Seattle Aircraft 
Certification Office (ACO), 1601 Lind Avenue SW., Renton, WA 98057-
3356; phone: 425-917-6447; fax: 425-917-6590; email: 
[email protected].
    (2) 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. 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.

    Issued in Renton, Washington, on February 9, 2016.
Michael Kaszycki,
Acting Manager, Transport Airplane Directorate, Aircraft Certification 
Service.
[FR Doc. 2016-03466 Filed 2-19-16; 8:45 am]
 BILLING CODE 4910-13-P



                                               8668                   Federal Register / Vol. 81, No. 34 / Monday, February 22, 2016 / Proposed Rules

                                               loan activities (i.e., mortgage loan                    authority. Although the Board retains                   By order of the Board of Governors of the
                                               applications). HMDA’s requirements                      authority to issue some consumer                      Federal Reserve System, February 11, 2016.
                                               concerning mortgage loans were                          financial protection rules, all                       Robert deV. Frierson,
                                               implemented in Regulation C to apply                    rulemaking authority under HMDA                       Secretary of the Board.
                                               to home purchase loans secured by a                     concerning mortgage loan transactions                 [FR Doc. 2016–03229 Filed 2–19–16; 8:45 am]
                                               dwelling (or refinancings) and home                     was transferred to the Bureau.                        BILLING CODE P
                                               improvement loans.5                                     Consequently, the Board is proposing to
                                                  As noted above, the Dodd-Frank Act                   repeal the Board’s Regulation C, 12 CFR
                                               transferred the Board’s rulemaking                      part 203.
                                               authority under HMDA and other                                                                                DEPARTMENT OF TRANSPORTATION
                                                                                                          2. Small entities affected by the
                                               enumerated consumer protection laws                                                                           Federal Aviation Administration
                                                                                                       proposed rule. Any entity that is
                                               to the Bureau, but Section 1029 of the
                                                                                                       currently covered by HMDA is subject
                                               Dodd-Frank Act also preserved the                                                                             14 CFR Part 39
                                                                                                       to the rules issued by the Bureau,
                                               Board’s rulemaking authority over
                                                                                                       located in 12 CFR part 1003. Therefore
                                               certain motor vehicle dealers, with some                                                                      [Docket No. FAA–2016–3698; Directorate
                                               exceptions. The rulemaking authority                    the Board’s repeal of its Regulation C                Identifier 2015–NM–138–AD]
                                               retained by the Board under Section                     would not affect any entity, including
                                               1029 does not extend to residential or                  small entities.                                       RIN 2120–AA64
                                               commercial mortgages or self-financing                     3. Recordkeeping, reporting, and                   Airworthiness Directives; The Boeing
                                               transactions involving real property.6                  compliance requirements. The proposed                 Company Airplanes
                                               Thus, all rulemaking authority under                    rule would repeal the Board’s
                                               HMDA, which pertains only to mortgage                   Regulation C, 12 CFR part 203, and                    AGENCY: Federal Aviation
                                               loan transactions, was transferred to the               would therefore not impose any                        Administration (FAA), DOT.
                                               Bureau. Consequently, the Board is                      recordkeeping, reporting, or compliance               ACTION: Notice of proposed rulemaking
                                               publishing a proposal to repeal the                     requirements on any entities.                         (NPRM).
                                               Board’s Regulation C, 12 CFR part 203.                     4. Other federal rules. The Board has
                                                  The Board requests comment on any                    not identified any federal rules that                 SUMMARY:   We propose to adopt a new
                                               technical issues raised by the proposed                 duplicate, overlap, or conflict with the              airworthiness directive (AD) for certain
                                               repeal of the Board’s Regulation C.                     proposed repeal of the Board’s                        The Boeing Company Model 767–200
                                                                                                       Regulation C, 12 CFR part 203.                        and –300 series airplanes. This
                                               III. Initial Regulatory Flexibility
                                               Analysis                                                                                                      proposed AD was prompted by an
                                                                                                          5. Significant alternatives to the                 evaluation by the design approval
                                                  The Regulatory Flexibility Act (5                    proposed revisions. The Board is not                  holder (DAH) indicating that the aft
                                               U.S.C. 601 et seq.) (RFA) generally                     aware of any significant alternatives that            pressure bulkhead at a certain area is
                                               requires an agency to perform an                        would further minimize the impact on                  subject to widespread fatigue damage
                                               assessment of the impact a rule is                      small entities of the proposed repeal,                (WFD). This proposed AD would
                                               expected to have on small entities.                     but solicits comment on this approach.                require replacing the aft pressure
                                               Based on its analysis, and for the                                                                            bulkhead with a new, improved aft
                                               reasons stated below, the Board believes                IV. Paperwork Reduction Act
                                                                                                                                                             pressure bulkhead, and doing related
                                               that this proposed rule will not have a                   In accordance with the Paperwork                    investigative and corrective actions if
                                               significant economic impact on a                        Reduction Act (PRA) of 1995 (44 U.S.C.                necessary. We are proposing this AD to
                                               substantial number of small entities. A                 3506; 5 CFR 1320 Appendix A.1), the                   prevent fatigue cracking in the radial
                                               final regulatory flexibility analysis will              Board reviewed the rule under the                     web lap splices of the aft pressure
                                               be conducted after consideration of                     authority delegated to the Federal                    bulkhead. Such cracking could result in
                                               comments received during the public                     Reserve by the Office of Management                   rapid decompression and consequent
                                               comment period.                                         and Budget (OMB). The proposed rule                   reduced structural integrity of the
                                                  1. Statement of the need for, and                    contains no collections of information                airplane.
                                               objectives of, the proposed rule. Title X               under the PRA. See 44 U.S.C. 3502(3).
                                               of the Dodd-Frank Act transferred                                                                             DATES:  We must receive comments on
                                                                                                       Accordingly, there is no paperwork                    this proposed AD by April 7, 2016.
                                               rulemaking authority for HMDA and
                                                                                                       burden associated with the proposed
                                               other enumerated consumer financial                                                                           ADDRESSES: You may send comments,
                                                                                                       rule.
                                               protection laws from the Board to the                                                                         using the procedures found in 14 CFR
                                               Bureau, effective July 21, 2011. In                     List of Subjects in 12 CFR Part 203                   11.43 and 11.45, by any of the following
                                               December 2011, the Bureau issued an                                                                           methods:
                                               Interim Final Rule to implement HMDA                      Banks, Banking, Federal Reserve                       • Federal eRulemaking Portal: Go to
                                               pursuant to the transfer of rulemaking                  System, Mortgages, and Reporting and                  http://www.regulations.gov. Follow the
                                                                                                       recordkeeping requirements.                           instructions for submitting comments.
                                                  5 Regulation C covers loans secured by a
                                                                                                       Authority and Issuance                                  • Fax: 202–493–2251.
                                               ‘‘dwelling,’’ which is defined as any residential
                                               structure, whether or not it is attached to real
                                                                                                                                                               • Mail: U.S. Department of
                                               property, which would include mobile homes or             For the reasons set forth in the                    Transportation, Docket Operations, M–
                                               manufactured homes. 12 CFR 1003.2. Under the            preamble, the Board proposes to amend                 30, West Building Ground Floor, Room
Lhorne on DSK5TPTVN1PROD with PROPOSALS




                                               Bureau’s 2015 final rule, however, recreational         Regulation C, 12 CFR part 203, and the                W12–140, 1200 New Jersey Avenue SE.,
                                               vehicles used as a residence are not covered as
                                               dwellings for purposes of HMDA. See 80 FR 66128,        Official Staff Commentary, as set forth               Washington, DC 20590.
                                               66145 (Oct. 28, 2015).                                  below:                                                  • Hand Delivery: Deliver to Mail
                                                  6 Section 1029(b)(1) of the Dodd-Frank Act states:                                                         address above between 9 a.m. and 5
                                               Subsection (a) shall not apply to any person, to the    PART 203—HOME MORTGAGE                                p.m., Monday through Friday, except
                                               extent such person (1) provides consumers with any      DISCLOSURE (REGULATION C)
                                               services related to residential or commercial
                                                                                                                                                             Federal holidays.
                                               mortgages or self-financing transaction involving                                                               For service information identified in
                                               real property. . . .’’ 12 U.S.C. 5519(b).               ■   1. Part 203 is removed and reserved.              this NPRM, contact Boeing Commercial


                                          VerDate Sep<11>2014   13:38 Feb 19, 2016   Jkt 238001   PO 00000   Frm 00003   Fmt 4702   Sfmt 4702   E:\FR\FM\22FEP1.SGM   22FEP1


                                                                     Federal Register / Vol. 81, No. 34 / Monday, February 22, 2016 / Proposed Rules                                             8669

                                               Airplanes, Attention: Data & Services                   Discussion                                            operational lives for their airplanes, and
                                               Management, P.O. Box 3707, MC 2H–65,                       Structural fatigue damage is                       still ensure that WFD will not occur.
                                               Seattle, WA 98124–2207; telephone                       progressive. It begins as minute cracks,              This approach allows for an
                                               206–544–5000, extension 1; fax 206–                     and those cracks grow under the action                implementation strategy that provides
                                               766–5680; Internet https://www.my                       of repeated stresses. This can happen                 flexibility to DAHs in determining the
                                               boeingfleet.com. You may view this                      because of normal operational                         timing of service information
                                               referenced service information at the                   conditions and design attributes, or                  development (with FAA approval),
                                               FAA, Transport Airplane Directorate,                    because of isolated situations or                     while providing operators with certainty
                                               1601 Lind Avenue SW., Renton, WA.                       incidents such as material defects, poor              regarding the LOV applicable to their
                                               For information on the availability of                  fabrication quality, or corrosion pits,               airplanes.
                                               this material at the FAA, call 425–227–                                                                          We have determined that the aft
                                                                                                       dings, or scratches. Fatigue damage can
                                               1221. It is also available on the Internet                                                                    pressure bulkhead at Station 1582 is
                                                                                                       occur locally, in small areas or
                                               at http://www.regulations.gov by                                                                              subject to WFD. If fatigue cracking in
                                                                                                       structural design details, or globally.               the radial web lap splices of the aft
                                               searching for and locating Docket No.                   Global fatigue damage is general
                                               FAA–2016–3698.                                                                                                pressure bulkhead is not found and
                                                                                                       degradation of large areas of structure               repaired, the cracks can rapidly link up
                                               Examining the AD Docket                                 with similar structural details and stress            and become large, which could result in
                                                                                                       levels. Multiple-site damage is global                rapid decompression and consequent
                                                  You may examine the AD docket on                     damage that occurs in a large structural              reduced structural integrity of the
                                               the Internet at http://                                 element such as a single rivet line of a              airplane.
                                               www.regulations.gov by searching for                    lap splice joining two large skin panels.
                                               and locating Docket No. FAA–2016–                       Global damage can also occur in                       Related Rulemaking
                                               3698; or in person at the Docket                        multiple elements such as adjacent                       On February 25, 2004, we issued AD
                                               Management Facility between 9 a.m.                      frames or stringers. Multiple-site-                   2004–05–16, Amendment 39–13511 (69
                                               and 5 p.m., Monday through Friday,                      damage and multiple-element-damage                    FR 10917, March 9, 2004), applicable to
                                               except Federal holidays. The AD docket                  cracks are typically too small initially to           certain Boeing Model 767–200 and –300
                                               contains this proposed AD, the                          be reliably detected with normal                      series airplanes. That AD requires
                                               regulatory evaluation, any comments                     inspection methods. Without                           repetitive inspections of the aft pressure
                                               received, and other information. The                    intervention, these cracks will grow,                 bulkhead web, and corrective action, if
                                               street address for the Docket Office                    and eventually compromise the                         necessary. The actions required by AD
                                               (phone: 800–647–5527) is in the                         structural integrity of the airplane, in a            2004–05–16 are intended to detect and
                                               ADDRESSES section. Comments will be                     condition known as WFD. As an                         correct fatigue cracks in the aft pressure
                                               available in the AD docket shortly after                airplane ages, WFD will likely occur,                 bulkhead web, which could result in
                                               receipt.                                                and will certainly occur if the airplane              uncontrolled rapid decompression.
                                                                                                       is operated long enough without any                      On July 1, 2004, we issued AD 2004–
                                               FOR FURTHER INFORMATION CONTACT:                        intervention.                                         14–19, Amendment 39–13728 (69 FR
                                               Wayne Lockett, Aerospace Engineer,                         The FAA’s WFD final rule (75 FR                    42549, July 16, 2004), applicable to all
                                               Airframe Branch, ANM–120S, FAA,                         69746, November 15, 2010) became                      Boeing Model 767 series airplanes. That
                                               Seattle Aircraft Certification Office                   effective on January 14, 2011. The WFD                AD requires repetitive detailed
                                               (ACO), 1601 Lind Avenue SW., Renton,                    rule requires certain actions to prevent              inspections of the aft pressure bulkhead
                                               WA 98057–3356; phone: 425–917–6447;                     structural failure due to WFD                         for indications of ‘‘oil cans’’ and
                                               fax: 425–917–6590; email:                               throughout the operational life of                    previous ‘‘oil can’’ repairs, and
                                               wayne.lockett@faa.gov.                                  certain existing transport category                   corrective actions if necessary. The
                                               SUPPLEMENTARY INFORMATION:                              airplanes and all of these airplanes that             actions required by AD 2004–14–19 are
                                                                                                       will be certificated in the future. For               intended to detect and correct the
                                               Comments Invited                                        existing and future airplanes subject to              propagation of fatigue cracks in the
                                                                                                       the WFD rule, the rule requires that                  vicinity of ‘‘oil cans’’ on the web of the
                                                 We invite you to send any written                     DAHs establish a limit of validity (LOV)              aft pressure bulkhead, which could
                                               relevant data, views, or arguments about                of the engineering data that support the              result in rapid decompression of the
                                               this proposal. Send your comments to                    structural maintenance program.                       passenger cabin, possible damage or
                                               an address listed under the ADDRESSES                   Operators affected by the WFD rule may                interference with the airplane control
                                               section. Include ‘‘Docket No. FAA–                      not fly an airplane beyond its LOV,                   systems that pass through the bulkhead,
                                               2016–3698; Directorate Identifier 2015–                 unless an extended LOV is approved.                   and consequent loss of control of the
                                               NM–138–AD’’ at the beginning of your                       The WFD rule (75 FR 69746,                         airplane.
                                               comments. We specifically invite                        November 15, 2010) does not require                      On March 12, 2009, we issued AD
                                               comments on the overall regulatory,                     identifying and developing maintenance                2009–06–19, Amendment 39–15856 (74
                                               economic, environmental, and energy                     actions if the DAHs can show that such                FR 12243, March 24, 2009), applicable
                                               aspects of this proposed AD. We will                    actions are not necessary to prevent                  to certain Boeing Model 767–200 and
                                               consider all comments received by the                   WFD before the airplane reaches the                   767–300 series airplanes. That AD
                                               closing date and may amend this                         LOV. Many LOVs, however, do depend                    requires detailed inspections of the aft
                                               proposed AD because of those                            on accomplishment of future                           pressure bulkhead for damage, mid-
                                               comments.
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                                                                                                       maintenance actions. As stated in the                 frequency eddy current (MFEC) and low
                                                 We will post all comments we                          WFD rule, any maintenance actions                     frequency eddy current (LFEC)
                                               receive, without change, to http://                     necessary to reach the LOV will be                    inspections of radial web lap splices,
                                               www.regulations.gov, including any                      mandated by airworthiness directives                  tear strap splices, and super tear strap
                                               personal information you provide. We                    through separate rulemaking actions.                  splices for cracking, and corrective
                                               will also post a report summarizing each                   In the context of WFD, this action is              actions if necessary. The actions
                                               substantive verbal contact we receive                   necessary to enable DAHs to propose                   required by AD 2009–06–19 are
                                               about this proposed AD.                                 LOVs that allow operators the longest                 intended to detect and correct fatigue


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                                               8670                        Federal Register / Vol. 81, No. 34 / Monday, February 22, 2016 / Proposed Rules

                                               cracks of the aft pressure bulkhead,                               Proposed AD Requirements                            conditions, but this proposed AD would
                                               which could result in rapid                                           This proposed AD would require                   require repairing those conditions in
                                               decompression of the passenger                                     accomplishing the actions specified in              one of the following ways:
                                               compartment and possible damage or                                 the service information described                      • In accordance with a method that
                                               interference with airplane control                                 previously, except as discussed under               we approve; or
                                               systems that penetrate the bulkhead,                               ‘‘Difference Between this Proposed AD                  • Using data that meet the
                                               and consequent loss of controllability of                          and the Service Information.’’ For                  certification basis of the airplane, and
                                               the airplane.                                                      information on the procedures and                   that have been approved by the Boeing
                                                                                                                  compliance times, see this service                  Commercial Airplanes Organization
                                               Related Service Information Under 1                                                                                    Designation Authorization (ODA) whom
                                               CFR Part 51                                                        information at http://
                                                                                                                  www.regulations.gov by searching for                we have authorized to make those
                                                 We reviewed Boeing Alert Service                                 and locating Docket No. FAA–2016–                   findings.
                                               Bulletin 767–53A0267, dated August 13,                             3698.                                               Explanation of Compliance Time
                                               2015. The service information describes                               The phrase ‘‘related investigative
                                                                                                                  actions’’ is used in this proposed AD.                 The compliance time for the
                                               procedures for replacing the aft pressure
                                                                                                                  ‘‘Related investigative actions’’ are               replacement specified in this proposed
                                               bulkhead at Station 1582 of Section 48
                                                                                                                  follow-on actions that (1) are related to           AD for addressing WFD was established
                                               with a new, improved aft pressure
                                                                                                                  the primary action, and (2) further                 to ensure that discrepant structure is
                                               bulkhead, including all applicable
                                                                                                                  investigate the nature of any condition             replaced before WFD develops in
                                               related investigative and corrective
                                                                                                                  found. Related investigative actions in             airplanes. Standard inspection
                                               actions. This service information is
                                                                                                                  an AD could include, for example,                   techniques cannot be relied on to detect
                                               reasonably available because the
                                                                                                                  inspections.                                        WFD before it becomes a hazard to
                                               interested parties have access to it                                                                                   flight. We will not grant any extensions
                                                                                                                     The phrase ‘‘corrective actions’’ is
                                               through their normal course of business                                                                                of the compliance time to complete any
                                                                                                                  used in this proposed AD. ‘‘Corrective
                                               or by the means identified in the                                                                                      AD-mandated service bulletin related to
                                                                                                                  actions’’ are actions that correct or
                                               ADDRESSES section.
                                                                                                                  address any condition found. Corrective             WFD without extensive new data that
                                               FAA’s Determination                                                actions in an AD could include, for                 would substantiate and clearly warrant
                                                                                                                  example, repairs.                                   such an extension.
                                                 We are proposing this AD because we
                                               evaluated all the relevant information                             Difference Between This Proposed AD                 Costs of Compliance
                                               and determined the unsafe condition                                and the Service Information                            We estimate that this proposed AD
                                               described previously is likely to exist or                           The service bulletin specifies to                 affects 86 airplanes of U.S. registry.
                                               develop in other products of the same                              contact the manufacturer for                           We estimate the following costs to
                                               type design.                                                       instructions on how to repair certain               comply with this proposed AD:

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

                                               Replacement ...................................................   1,541 work-hours × $85 per hour = $130,985           $646,889          $777,874       $66,897,164



                                                 We have received no definitive data                              because it addresses an unsafe condition              (4) Will not have a significant
                                               that would enable us to provide cost                               that is likely to exist or develop on               economic impact, positive or negative,
                                               estimates for the on-condition                                     products identified in this rulemaking              on a substantial number of small entities
                                               investigative and corrective actions                               action.                                             under the criteria of the Regulatory
                                               specified in this proposed AD.                                                                                         Flexibility Act.
                                                                                                                  Regulatory Findings
                                               Authority for This Rulemaking                                        We determined that this proposed AD               List of Subjects in 14 CFR Part 39
                                                  Title 49 of the United States Code                              would not have federalism implications
                                               specifies the FAA’s authority to issue                             under Executive Order 13132. This                     Air transportation, Aircraft, Aviation
                                               rules on aviation safety. Subtitle I,                              proposed AD would not have a                        safety, Incorporation by reference,
                                               section 106, describes the authority of                            substantial direct effect on the States, on         Safety.
                                               the FAA Administrator. Subtitle VII:                               the relationship between the national               The Proposed Amendment
                                               Aviation Programs, describes in more                               Government and the States, or on the
                                               detail the scope of the Agency’s                                   distribution of power and                             Accordingly, under the authority
                                               authority.                                                         responsibilities among the various                  delegated to me by the Administrator,
                                                  We are issuing this rulemaking under                            levels of government.                               the FAA proposes to amend 14 CFR part
                                               the authority described in Subtitle VII,                             For the reasons discussed above, I                39 as follows:
                                               Part A, Subpart III, Section 44701:                                certify this proposed regulation:
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                                               ‘‘General requirements.’’ Under that                                 (1) Is not a ‘‘significant regulatory             PART 39—AIRWORTHINESS
                                               section, Congress charges the FAA with                             action’’ under Executive Order 12866,               DIRECTIVES
                                               promoting safe flight of civil aircraft in                           (2) Is not a ‘‘significant rule’’ under
                                               air commerce by prescribing regulations                            the DOT Regulatory Policies and                     ■ 1. The authority citation for part 39
                                               for practices, methods, and procedures                             Procedures (44 FR 11034, February 26,               continues to read as follows:
                                               the Administrator finds necessary for                              1979),
                                                                                                                                                                          Authority: 49 U.S.C. 106(g), 40113, 44701.
                                               safety in air commerce. This regulation                              (3) Will not affect intrastate aviation
                                               is within the scope of that authority                              in Alaska, and


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                                                                     Federal Register / Vol. 81, No. 34 / Monday, February 22, 2016 / Proposed Rules                                                  8671

                                               § 39.13   [Amended]                                       (2) Paragraphs (b), (c), and (d) of AD 2004–        approval of an AMOC, provided the RC steps,
                                                                                                       14–19, Amendment 39–13728 (69 FR 42549,               including substeps and identified figures, can
                                               ■ 2. The FAA amends § 39.13 by adding                   July 16, 2004).                                       still be done as specified, and the airplane
                                               the following new airworthiness                           (3) Paragraph (f) of AD 2009–06–19,                 can be put back in an airworthy condition.
                                               directive (AD):                                         Amendment 39–15856 (74 FR 12243, March
                                                                                                       24, 2009).                                            (k) Related Information
                                               The Boeing Company: Docket No. FAA–
                                                                                                                                                                (1) For more information about this AD,
                                                   2016–3698; Directorate Identifier 2015–             (h) Corrective Actions                                contact Wayne Lockett, Aerospace Engineer,
                                                   NM–138–AD.                                            If any defect (e.g., rifling, gouging, nicks, or    Airframe Branch, ANM–120S, FAA, Seattle
                                               (a) Comments Due Date                                   burrs, or excessive surface roughness) is             Aircraft Certification Office (ACO), 1601 Lind
                                                                                                       found in any fastener hole (other than                Avenue SW., Renton, WA 98057–3356;
                                                 We must receive comments by April 7,                  normally produced during a typical reaming            phone: 425–917–6447; fax: 425–917–6590;
                                               2016.                                                   operation), during accomplishment of any              email: wayne.lockett@faa.gov.
                                               (b) Affected ADs                                        inspection (related investigative actions)               (2) For service information identified in
                                                                                                       required by this AD, and Boeing Alert                 this AD, contact Boeing Commercial
                                                 This AD affects the ADs specified in                  Service Bulletin 767–53A0267, dated August
                                               paragraphs (b)(1), (b)(2), and (b)(3) of this AD.                                                             Airplanes, Attention: Data & Services
                                                                                                       13, 2015, specifies to contact Boeing for             Management, P.O. Box 3707, MC 2H–65,
                                                 (1) AD 2004–05–16, Amendment 39–13511                 repair instructions: Before further flight,
                                               (69 FR 10917, March 9, 2004).                                                                                 Seattle, WA 98124–2207; telephone 206–
                                                                                                       repair in accordance with the procedures              544–5000, extension 1; fax 206–766–5680;
                                                 (2) AD 2004–14–19, Amendment 39–13728                 specified in paragraph (j) of this AD.
                                               (69 FR 42549, July 16, 2004).                                                                                 Internet https://www.myboeingfleet.com. You
                                                 (3) AD 2009–06–19, Amendment 39–15856                 (i) Exception to the Service Information              may view this referenced service information
                                               (74 FR 12243, March 24, 2009).                                                                                at the FAA, Transport Airplane Directorate,
                                                                                                          Where Boeing Alert Service Bulletin 767–           1601 Lind Avenue SW., Renton, WA. For
                                               (c) Applicability                                       53A0267, dated August 13, 2015, specifies a           information on the availability of this
                                                                                                       compliance time ‘‘after the original issue date       material at the FAA, call 425–227–1221.
                                                 This AD applies to The Boeing Company                 of this service bulletin,’’ this AD requires
                                               Model 767–200 and –300 series airplanes,                compliance within the specified time after               Issued in Renton, Washington, on February
                                               certificated in any category, as identified in          the effective date of this AD.                        9, 2016.
                                               Boeing Alert Service Bulletin 767–53A0267,                                                                    Michael Kaszycki,
                                               dated August 13, 2015.                                  (j) Alternative Methods of Compliance
                                                                                                       (AMOCs)                                               Acting Manager, Transport Airplane
                                               (d) Subject                                                                                                   Directorate, Aircraft Certification Service.
                                                                                                          (1) The Manager, Seattle Aircraft
                                                 Air Transport Association (ATA) of                    Certification Office (ACO), FAA, has the              [FR Doc. 2016–03466 Filed 2–19–16; 8:45 am]
                                               America Code 53, Fuselage.                              authority to approve AMOCs for this AD, if            BILLING CODE 4910–13–P

                                               (e) Unsafe Condition                                    requested using the procedures found in 14
                                                                                                       CFR 39.19. In accordance with 14 CFR 39.19,
                                                  This AD was prompted by an evaluation by             send your request to your principal inspector
                                               the design approval holder (DAH) indicating                                                                   NATIONAL AERONAUTICS AND
                                                                                                       or local Flight Standards District Office, as
                                               that the aft pressure bulkhead at Station 1582          appropriate. If sending information directly          SPACE ADMINISTRATION
                                               is subject to widespread fatigue damage                 to the manager of the ACO, send it to the
                                               (WFD). We are issuing this AD to prevent                attention of the person identified in                 14 CFR Part 1274
                                               fatigue cracking in the radial web lap splices          paragraph (k)(1) of this AD. Information may          [NASA Case 2015–N014]
                                               of the aft pressure bulkhead. Such cracking             be emailed to: 9-ANM-Seattle-ACO-AMOC-
                                               could result in rapid decompression and                 Requests@faa.gov.                                     RIN 2700–AE25
                                               consequent reduced structural integrity of the             (2) Before using any approved AMOC,
                                               airplane.                                               notify your appropriate principal inspector,          Cooperative Agreements With
                                               (f) Compliance
                                                                                                       or lacking a principal inspector, the manager         Commercial Firms
                                                                                                       of the local flight standards district office/
                                                  Comply with this AD within the                       certificate holding district office.                  AGENCY:  National Aeronautics and
                                               compliance times specified, unless already                 (3) An AMOC that provides an acceptable            Space Administration.
                                               done.                                                   level of safety may be used for any repair,           ACTION: Proposed rule.
                                               (g) Replacement and Related Investigative               modification, or alteration required by this
                                               and Corrective Actions                                  AD if it is approved by the Boeing                    SUMMARY:    NASA is proposing to amend
                                                                                                       Commercial Airplanes Organization                     its regulations to implement section 872
                                                  Before the accumulation of 60,000 total              Designation Authorization (ODA) that has
                                               flight cycles, or within 36 months after the
                                                                                                                                                             of the National Defense Authorization
                                                                                                       been authorized by the Manager, Seattle
                                               effective date of this AD, whichever occurs                                                                   Act for Fiscal Year 2009, as the statute
                                                                                                       ACO, to make those findings. For a repair
                                               later, but not earlier than 37,500 total                method to be approved, the repair method,             applies to grants and cooperative
                                               accumulated flight cycles: Replace the aft              modification deviation, or alteration                 agreements. The revision is part of
                                               pressure bulkhead at Station 1582 of Section            deviation must meet the certification basis of        NASA’s retrospective plan under
                                               48 with a new, improved aft pressure                    the airplane, and the approval must                   Executive Order (EO) 13563 completed
                                               bulkhead, and perform all applicable related            specifically refer to this AD.                        in August 2011.
                                               investigative and corrective actions, in                   (4) Except as required by paragraph (h) of         DATES: Comments on the proposed rule
                                               accordance with the Accomplishment                      this AD: For service information that
                                               Instructions of Boeing Alert Service Bulletin           contains steps that are labeled as Required
                                                                                                                                                             should be submitted in writing to the
                                               767–53A0267, dated August 13, 2015; except              for Compliance (RC), the provisions of                address shown below on or before April
                                               as required by paragraph (h) of this AD. Do             paragraphs (j)(4)(i) and (j)(4)(ii) apply.            22, 2016, to be considered in the
                                               all applicable related investigative and                   (i) The steps labeled as RC, including             formation of a final rule.
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                                               corrective actions before further flight.               substeps under an RC step and any figures             ADDRESSES: Submit comments
                                               Accomplishing the replacement in this                   identified in an RC step, must be done to             identified by NASA Case 2015–N014,
                                               paragraph terminates the repetitive                     comply with the AD. An AMOC is required               using any of the following methods:
                                               inspections of the aft pressure bulkhead                for any deviations to RC steps, including
                                               required by the ADs identified in paragraphs            substeps and identified figures.
                                                                                                                                                                Æ Regulations.gov: http://
                                               (g)(1), (g)(2), and (g)(3) of this AD.                     (ii) Steps not labeled as RC may be                www.regulations.gov. Submit comments
                                                  (1) Paragraphs (a) and (b) of AD 2004–05–            deviated from using accepted methods in               via the Federal eRulemaking portal by
                                               16, Amendment 39–13511 (69 FR 10917,                    accordance with the operator’s maintenance            entering ‘‘NASA Case 2015–N014’’
                                               March 9, 2004).                                         or inspection program without obtaining               under the heading ‘‘Enter keyword or


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Document Created: 2016-02-19 23:57:19
Document Modified: 2016-02-19 23:57:19
CategoryRegulatory Information
CollectionFederal Register
sudoc ClassAE 2.7:
GS 4.107:
AE 2.106:
PublisherOffice of the Federal Register, National Archives and Records Administration
SectionProposed Rules
ActionNotice of proposed rulemaking (NPRM).
DatesWe must receive comments on this proposed AD by April 7, 2016.
ContactWayne Lockett, Aerospace Engineer, Airframe Branch, ANM-120S, FAA, Seattle Aircraft Certification Office (ACO), 1601 Lind Avenue SW., Renton, WA 98057-3356; phone: 425-917- 6447; fax: 425-917-6590; email: [email protected]
FR Citation81 FR 8668 
RIN Number2120-AA64
CFR AssociatedAir Transportation; Aircraft; Aviation Safety; Incorporation by Reference and Safety

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