Proposed Rule2022-11750
Airworthiness Directives; The Boeing Company Airplanes
Primary source
Metadata and text below are from the Federal Register, a public-domain U.S. government work. Always verify the official published version before relying on it for any legal matter.
Published
June 2, 2022
Issuing agencies
Transportation DepartmentFederal Aviation Administration
Abstract
The FAA proposes to adopt a new airworthiness directive (AD) for all The Boeing Company Model 747-100, 747-100B, 747-100B SUD, 747- 200B, 747-200C, 747-200F, 747-300, 747SR, and 747SP series airplanes. This proposed AD was prompted by significant changes, including new or more restrictive requirements, made to the airworthiness limitations (AWLs) related to fuel tank ignition prevention. This proposed AD would require revising the existing maintenance or inspection program, as applicable, to incorporate the latest revision of the AWLs. The FAA is proposing this AD to address the unsafe condition on these products.
Full Text
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<title>Federal Register, Volume 87 Issue 106 (Thursday, June 2, 2022)</title>
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[Federal Register Volume 87, Number 106 (Thursday, June 2, 2022)]
[Proposed Rules]
[Pages 33451-33454]
From the Federal Register Online via the Government Publishing Office [<a href="http://www.gpo.gov">www.gpo.gov</a>]
[FR Doc No: 2022-11750]
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Proposed Rules
Federal Register
________________________________________________________________________
This section of the FEDERAL REGISTER contains notices to the public of
the proposed issuance of rules and regulations. The purpose of these
notices is to give interested persons an opportunity to participate in
the rule making prior to the adoption of the final rules.
========================================================================
Federal Register / Vol. 87, No. 106 / Thursday, June 2, 2022 /
Proposed Rules
[[Page 33451]]
DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration
14 CFR Part 39
[Docket No. FAA-2022-0520; Project Identifier AD-2021-00683-T]
RIN 2120-AA64
Airworthiness Directives; The Boeing Company Airplanes
AGENCY: Federal Aviation Administration (FAA), DOT.
ACTION: Notice of proposed rulemaking (NPRM).
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SUMMARY: The FAA proposes to adopt a new airworthiness directive (AD)
for all The Boeing Company Model 747-100, 747-100B, 747-100B SUD, 747-
200B, 747-200C, 747-200F, 747-300, 747SR, and 747SP series airplanes.
This proposed AD was prompted by significant changes, including new or
more restrictive requirements, made to the airworthiness limitations
(AWLs) related to fuel tank ignition prevention. This proposed AD would
require revising the existing maintenance or inspection program, as
applicable, to incorporate the latest revision of the AWLs. The FAA is
proposing this AD to address the unsafe condition on these products.
DATES: The FAA must receive comments on this proposed AD by July 18,
2022.
ADDRESSES: You may send comments, using the procedures found in 14 CFR
11.43 and 11.45, by any of the following methods:
<bullet> Federal eRulemaking Portal: Go to <a href="https://www.regulations.gov">https://www.regulations.gov</a>. Follow the instructions for submitting comments.
<bullet> Fax: 202-493-2251.
<bullet> 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.
<bullet> 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 Airplanes, Attention: Contractual & Data Services (C&DS),
2600 Westminster Blvd., MC 110-SK57, Seal Beach, CA 90740-5600; phone:
562-797-1717; internet: <a href="https://www.myboeingfleet.com">https://www.myboeingfleet.com</a>. You may view
this service information at the FAA, Airworthiness Products Section,
Operational Safety Branch, 2200 South 216th St., Des Moines, WA. For
information on the availability of this material at the FAA, call 206-
231-3195.
Examining the AD Docket
You may examine the AD docket at <a href="https://www.regulations.gov">https://www.regulations.gov</a> by
searching for and locating Docket No. FAA-2022-0520; 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 NPRM, any comments
received, and other information. The street address for Docket
Operations is listed above.
FOR FURTHER INFORMATION CONTACT: Rose Len, Aerospace Engineer,
Propulsion Section, FAA, Seattle ACO Branch, 2200 South 216th St., Des
Moines, WA 98198; phone and fax: 206-231-3604; email: <a href="/cdn-cgi/l/email-protection#99ebf6eafcb7f5fcf7d9fff8f8b7fef6ef"><span class="__cf_email__" data-cfemail="6f1d001c0a41030a012f090e0e41080019">[email protected]</span></a>.
SUPPLEMENTARY INFORMATION:
Comments Invited
The FAA invites you to send any written relevant data, views, or
arguments about this proposal. Send your comments to an address listed
under ADDRESSES. Include ``Docket No. FAA-2022-0520; Project Identifier
AD-2021-00683-T'' at the beginning of your comments. The most helpful
comments reference a specific portion of the proposal, explain the
reason for any recommended change, and include supporting data. The FAA
will consider all comments received by the closing date and may amend
this proposal because of those comments.
Except for Confidential Business Information (CBI) as described in
the following paragraph, and other information as described in 14 CFR
11.35, the FAA will post all comments received, without change, to
<a href="https://www.regulations.gov">https://www.regulations.gov</a>, including any personal information you
provide. The agency will also post a report summarizing each
substantive verbal contact received about this NPRM.
Confidential Business Information
CBI is commercial or financial information that is both customarily
and actually treated as private by its owner. Under the Freedom of
Information Act (FOIA) (5 U.S.C. 552), CBI is exempt from public
disclosure. If your comments responsive to this NPRM contain commercial
or financial information that is customarily treated as private, that
you actually treat as private, and that is relevant or responsive to
this NPRM, it is important that you clearly designate the submitted
comments as CBI. Please mark each page of your submission containing
CBI as ``PROPIN.'' The FAA will treat such marked submissions as
confidential under the FOIA, and they will not be placed in the public
docket of this NPRM. Submissions containing CBI should be sent to Rose
Len, Aerospace Engineer, Propulsion Section, FAA, Seattle ACO Branch,
2200 South 216th St., Des Moines, WA 98198; phone and fax: 206-231-
3604; email: <a href="/cdn-cgi/l/email-protection#5b2934283e75373e351b3d3a3a753c342d"><span class="__cf_email__" data-cfemail="41332e32246f2d242f012720206f262e37">[email protected]</span></a>. Any commentary that the FAA receives
that is not specifically designated as CBI will be placed in the public
docket for this rulemaking.
Background
The FAA has examined the underlying safety issues involved in fuel
tank explosions on several large transport airplanes, including the
adequacy of existing regulations, the service history of airplanes
subject to those regulations, and existing maintenance practices for
fuel tank systems. As a result of those findings, the FAA issued a
final rule titled ``Transport Airplane Fuel Tank System Design Review,
Flammability Reduction, and Maintenance and Inspection Requirements''
(66 FR 23086, May 7, 2001). In addition to new airworthiness standards
for transport airplanes and new maintenance requirements that rule
included Amendment 21-78, which established Special Federal Aviation
Regulation No. 88 (SFAR 88) at 14 CFR part 21. Subsequently, SFAR 88
was amended by Amendment 21-82 (67 FR 57490, September 10, 2002;
corrected at 67 FR 70809, November 26, 2002), Amendment 21-83 (67 FR
72830, December 9, 2002; corrected at 68 FR 37735, June 25, 2003, to
change ``21-82'' to ``21-83''), and Amendment 21-101 (83 FR 9162, March
5, 2018).
[[Page 33452]]
Among other actions, SFAR 88 requires certain type design (i.e.,
type certificate (TC) and supplemental type certificate (STC)) holders
to substantiate that their fuel tank systems can prevent ignition
sources in the fuel tanks. This requirement applies to type design
holders for large turbine-powered transport airplanes and for
subsequent modifications to those airplanes. It requires them to
perform design reviews and to develop design changes and maintenance
procedures if their designs do not meet the new fuel tank safety
standards. As explained in the preamble to the rule published on May 7,
2001, the FAA intended to adopt airworthiness directives to mandate any
changes found necessary to address unsafe conditions identified as a
result of these reviews.
In evaluating these design reviews, the FAA established four
criteria intended to define the unsafe conditions associated with fuel
tank systems that require corrective actions. The percentage of
operating time during which fuel tanks are exposed to flammable
conditions is one of these criteria. The other three criteria address
the failure types under evaluation: Single failures, combination of
failures, and unacceptable (failure) experience. For all three
criteria, the evaluations included consideration of previous actions
taken that may mitigate the need for further action.
This proposed AD was prompted by significant changes, including new
or more restrictive requirements, made to the AWL related to fuel tank
ignition prevention. This condition, if not addressed, could result in
the potential for ignition sources inside fuel tanks caused by latent
failures, alterations, repairs, or maintenance actions, which, in
combination with flammable fuel vapors, could result in a fuel tank
explosion and consequent loss of the airplane.
FAA's Determination
The FAA is proposing this AD because the agency 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.
Related Service Information Under 1 CFR Part 51
The FAA reviewed Boeing 747-100/200/300/SP/SR Airworthiness
Limitations (AWLs) and Certification Maintenance Requirements (CMRs),
D6-13747-CMR, dated September 2020. This service information describes
AWLs that include airworthiness limitation instructions (ALIs) and
critical design configuration control limitations (CDCCLs) tasks
related to fuel tank ignition prevention. 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
ADDRESSES.
Proposed AD Requirements in This NPRM
This proposed AD would require revising the existing maintenance or
inspection program, as applicable, to incorporate the latest revision
of the AWLs.
This proposed AD would require revisions to certain operator
maintenance documents to include new actions (e.g., inspections) and
CDCCLs. Compliance with these actions and CDCCLs is required by 14 CFR
91.403(c). For airplanes that have been previously modified, altered,
or repaired in the areas addressed by this proposed AD, the operator
may not be able to accomplish the actions described in the revisions.
In this situation, to comply with 14 CFR 91.403(c), the operator must
request approval for an alternative method of compliance according to
paragraph (l) of this proposed AD.
Other Relevant Rulemaking
The proposed revisions will affect several existing AWL provisions
in various ADs. The FAA has determined that accomplishing the revision
required by paragraph (g) of this proposed AD would terminate the
following AWL requirements for that airplane:
<bullet> The revision required by paragraphs (g) and (h) of AD
2008-10-07 R1, Amendment 39-16070 (74 FR 56098, October 30, 2009).
<bullet> The revision required by paragraph (g)(1) of AD 2008-18-
09, Amendment 39-15666 (73 FR 52911, September 12, 2008).
<bullet> The revision required by paragraph (h)(2) of AD 2010-13-
12, Amendment 39-16343 (75 FR 37997, July 1, 2010).
<bullet> The revision required by paragraph (h) of AD 2010-24-13,
Amendment 39-16532 (75 FR 78591, December 16, 2010; corrected May 25,
2011 (76 FR 30253)).
<bullet> The revision required by paragraph (k) of AD 2011-06-03,
Amendment 39-16627 (76 FR 15814, March 22, 2011).
<bullet> The revision required by paragraph (h)(2) of AD 2014-15-
14, Amendment 39-17916 (79 FR 45324, August 5, 2014).
<bullet> The revision required by paragraph (h) of AD 2016-19-03,
Amendment 39-18652 (81 FR 65872, September 26, 2016).
Costs of Compliance
The FAA estimates that this AD, if adopted as proposed, would
affect 39 airplanes of U.S. registry. The FAA estimates the following
costs to comply with this proposed AD:
The FAA has determined that revising the existing maintenance or
inspection program takes an average of 90 work-hours per operator,
although the agency recognizes that this number may vary from operator
to operator. Since operators incorporate maintenance or inspection
program changes for their affected fleet(s), the FAA has determined
that a per-operator estimate is more accurate than a per-airplane
estimate. Therefore, the FAA estimates the average total cost per
operator to be $7,650 (90 work-hours x $85 per work-hour).
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.
The FAA is 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
The FAA 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) Would not affect intrastate aviation in Alaska, and
(3) Would not have a significant economic impact, positive or
negative, on a substantial number of small entities under the criteria
of the Regulatory Flexibility Act.
[[Page 33453]]
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.
Sec. 39.13 [Amended]
0
2. The FAA amends Sec. 39.13 by adding the following new airworthiness
directive:
The Boeing Company: Docket No. FAA-2022-0520; Project Identifier
AD-2021-00683-T.
(a) Comments Due Date
The FAA must receive comments on this airworthiness directive
(AD) by July 18, 2022.
(b) Affected ADs
This AD affects the ADs specified in paragraphs (b)(1) through
(7) of this AD.
(1) AD 2008-10-07 R1, Amendment 39-16070 (74 FR 56098, October
30, 2009) (AD 2008-10-07 R1).
(2) AD 2008-18-09, Amendment 39-15666 (73 FR 52911, September
12, 2008) (AD 2008-18-09).
(3) AD 2010-13-12, Amendment 39-16343 (75 FR 37997, July 1,
2010) (AD 2010-13-12).
(4) AD 2010-24-13, Amendment 39-16532 (75 FR 78591, December 16,
2010; corrected May 25, 2011 (76 FR 30253)) (AD 2010-24-13).
(5) AD 2011-06-03, Amendment 39-16627 (76 FR 15814, March 22,
2011) (AD 2011-06-03).
(6) AD 2014-15-14, Amendment 39-17916 (79 FR 45324, August 5,
2014) (AD 2014-15-14).
(7) AD 2016-19-03, Amendment 39-18652 (81 FR 65872, September
26, 2016) (AD 2016-19-03).
(c) Applicability
This AD applies to all The Boeing Company Model 747-100, 747-
100B, 747-100B SUD, 747-200B, 747-200C, 747-200F, 747-300, 747SR,
and 747SP series airplanes, certificated in any category.
(d) Subject
Air Transport Association (ATA) of America Code 28, Fuel.
(e) Unsafe Condition
This AD was prompted by significant changes, including new or
more restrictive requirements, made to the airworthiness limitations
(AWLs) related to fuel tank ignition prevention. The FAA is issuing
this AD to address the potential for ignition sources inside fuel
tanks caused by latent failures, alterations, repairs, or
maintenance actions, which, in combination with flammable fuel
vapors, could result in a fuel tank explosion and consequent loss of
the airplane.
(f) Compliance
Comply with this AD within the compliance times specified,
unless already done.
(g) Maintenance or Inspection Program Revision
Within 60 days after the effective date of this AD, revise the
existing maintenance or inspection program, as applicable, to
incorporate the information specified in Boeing 747-100/200/300/SP/
SR Airworthiness Limitations (AWLs) and Certification Maintenance
Requirements (CMRs), D6-13747-CMR, dated September 2020, except as
specified in paragraphs (h) and (i) of this AD. The initial
compliance times for the airworthiness limitation instruction (ALI)
tasks are within the applicable compliance times for each AWL number
specified in paragraphs (g)(1) through (8) of this AD:
(1) For AWL No. 28-AWL-01, ``External Wires Over Center Fuel
Tank'': At the applicable time specified in paragraph (g)(1)(i) or
(ii) of this AD.
(i) For airplanes that did not have any version of AWL No. 28-
AWL-01 in the existing maintenance or inspection program before the
effective date of this AD: Within 144 months since issuance of the
original airworthiness certificate or original export certificate,
or within 12 months after the effective date of this AD, whichever
occurs later.
(ii) For airplanes not identified in paragraph (g)(1)(i) of this
AD: Within 144 months since AWL No. 28-AWL-01 was incorporated into
the existing maintenance or inspection program, or within 144 months
after the most recent inspection was performed as specified in AWL
No. 28-AWL-01, whichever occurs later.
(2) For 28-AWL-03, ``Fuel Quantity Indicating System (FQIS)--Out
Tank Wiring Lightning Shield to Ground Termination'': At the
applicable time specified in paragraph (g)(2)(i) or (ii) of this AD.
(i) For airplanes that did not have any version of AWL No. 28-
AWL-03 in the existing maintenance or inspection program before the
effective date of this AD: Within 144 months since issuance of the
original airworthiness certificate or original export certificate of
airworthiness, or within 12 months after the effective date of this
AD, whichever occurs later.
(ii) For airplanes not identified in paragraph (g)(2)(i) of this
AD: Within 144 months since AWL No. 28-AWL-03 was incorporated into
the existing maintenance or inspection program, or within 144 months
after the most recent inspection was performed as specified in AWL
No. 28-AWL-03, whichever occurs later.
(3) For 28-AWL-09, ``Over-Current and Arcing Protection
Electrical Design Features Operation--Fault Current Detector for
Center Tank Override/Jettison (O/J) Pumps'': At the applicable time
specified in paragraph (g)(3)(i) or (ii) of this AD.
(i) For airplanes that did not have any version of AWL No. 28-
AWL-09 in the existing maintenance or inspection program before the
effective date of this AD: Within 18 months since issuance of the
original airworthiness certificate or original export certificate of
airworthiness, or within 90 days after the effective date of this
AD, whichever occurs later.
(ii) For airplanes not identified in paragraph (g)(3)(i) of this
AD: Within 18 months since AWL No. 28-AWL-09 was incorporated into
the existing maintenance or inspection program, or within 18 months
after the most recent inspection was performed as specified in AWL
No. 28-AWL-09, whichever occurs later.
(4) For AWL No. 28-AWL-13, ``Main Tank, Center Wing Tank, Body
Tank (if installed), and Auxiliary Tank (if installed) Refuel Valve
Installation--Fault Current Bond'': At the applicable time specified
in paragraph (g)(4)(i) or (ii) of this AD.
(i) For airplanes that did not have any version of AWL No. 28-
AWL-13 in the existing maintenance or inspection program before the
effective date of this AD: Within 144 months since issuance of the
original airworthiness certificate or original export certificate of
airworthiness, or within 12 months after the effective date of this
AD, whichever occurs later.
(ii) For airplanes not identified in paragraph (g)(4)(i) of this
AD: Within 144 months since AWL No. 28-AWL-13 was incorporated into
the existing maintenance or inspection program, or within 144 months
after the most recent inspection was performed as specified in AWL
No. 28-AWL-13, whichever occurs later.
(5) For AWL No. 28-AWL-22, ``Center Tank Override/Jettison Fuel
Pump Inlet Protection and Power Failed On Protection System'': At
the applicable time specified in paragraph (g)(5)(i) or (ii) of this
AD.
(i) For airplanes that did not have any version of AWL No. 28-
AWL-22 in the existing maintenance or inspection program before the
effective date of this AD: Within 12 months since issuance of the
original airworthiness certificate or original export certificate of
airworthiness, or within 90 days after the effective date of this
AD, whichever occurs later.
(ii) For airplanes not identified in paragraph (g)(5)(i) of this
AD: Within 12 months since AWL No. 28-AWL-22 was incorporated into
the existing maintenance or inspection program, or within 12 months
after the most recent inspection was performed as specified in AWL
No. 28-AWL-22, whichever occurs later.
(6) For AWL No. 28-AWL-23, ``Over-Current and Arcing Protection
Electrical Design Features Operation--Main Tank AC Fuel Pump and
Center Tank Scavenge AC Fuel Pump Ground Fault Interrupter (GFI)'':
At the applicable time specified in paragraph (g)(6)(i) or (ii) of
this AD.
(i) For airplanes that did not have any version of AWL No. 28-
AWL-23 in the existing maintenance or inspection program before the
effective date of this AD: Within 12 months since issuance of the
original airworthiness certificate or original export certificate of
airworthiness, within 12 months
[[Page 33454]]
since Boeing Service Bulletin 747-28A2261 was incorporated, or
within 90 days after the effective date of this AD, whichever occurs
latest.
(ii) For airplanes not identified in paragraph (g)(6)(i) of this
AD: Within 12 months since AWL No. 28-AWL-23 was incorporated into
the existing maintenance or inspection program, or within 12 months
after the most recent inspection was performed as specified in AWL
No. 28-AWL-23, whichever occurs later.
(7) For AWL No. 28-AWL-25, ``Cushion Clamps and Teflon Sleeving
Installed on Out-of-Tank Wire Bundles Installed on Brackets that are
Mounted Directly on the Fuel Tanks'': At the applicable time
specified in paragraph (g)(7)(i) or (ii) of this AD.
(i) For airplanes that did not have any version of AWL No. 28-
AWL-25 in the existing maintenance or inspection program before the
effective date of this AD: Within 144 months since issuance of the
original airworthiness certificate or original export certificate of
airworthiness, or within 12 months after the effective date of this
AD, whichever occurs later.
(ii) For airplanes not identified in paragraph (g)(7)(i) of this
AD: Within 144 months since AWL No. 28-AWL-25 was incorporated into
the existing maintenance or inspection program, within 144 months
since Boeing Special Attention Service Bulletin 747-57-2327 was
incorporated, or within 144 months after the most recent inspection
was performed as specified in AWL No. 28-AWL-25, whichever occurs
latest.
(8) For AWL No. 28-AWL-31, ``Reserve Tank Refuel Valve
Installation--Lightning Protection Electrical Bond'': At the
applicable time specified in paragraph (g)(8)(i) or (ii) of this AD.
(i) For airplanes that did not have any version of AWL No. 28-
AWL-31 in the existing maintenance or inspection program before the
effective date of this AD: Within 72 months since issuance of the
original airworthiness certificate or original export certificate of
airworthiness, or within 6 months after the effective date of this
AD, whichever occurs later.
(ii) For airplanes not identified in paragraph (g)(8)(i) of this
AD: Within 72 months since AWL No. 28-AWL-31 was incorporated into
the existing maintenance or inspection program, or within 72 months
after the most recent inspection was performed as specified in AWL
No. 28-AWL-31, whichever occurs later.
(h) Differences From the Required Service Information
(1) Where the ``Applicability'' column of AWL Nos. 28-AWL-25 and
28-AWL-27 specifies ``ALL'' and ``NOTE,'' replace that text with
``Airplanes L/N 645 and on.''
(2) In the ``Description'' column of AWL Nos. 28-AWL-25 and 28-
AWL-27, remove the Applicability Note.
(i) Additional Acceptable Wire Types and Sleeving
(1) Where AWL No. 28-AWL-11 identifies wire types BMS 13-48, BMS
13-58, and BMS 13-60, the following wire types are acceptable: MIL-
W-22759/16, SAE AS22759/16 (M22759/16), MIL-W-22759/32, SAE AS22759/
32 (M22759/32), MIL-W-22759/34, SAE AS22759/34 (M22759/34), MIL-W-
22759/41, SAE AS22759/41 (M22759/41), MIL-W-22759/86, SAE AS22759/86
(M22759/86), MIL-W-22759/87, SAE AS22759/87 (M22759/87), MIL-W-
22759/92, and SAE AS22759/92 (M22759/92); and MIL-C-27500 and NEMA
WC 27500 cables constructed from these military or SAE specification
wire types, as applicable.
(2) Where AWL No. 28-AWL-11 identifies TFE-2X Standard wall for
wire sleeving, the following sleeving materials are acceptable:
Roundit 2000NX and Varglas Type HO, HP, or HM.
(j) No Alternative Actions, Intervals, or Critical Design Configuration
Control Limitations (CDCCLs)
After the existing maintenance or inspection program has been
revised as required by paragraph (g) of this AD, no alternative
actions (e.g., inspections), intervals, or CDCCLs may be used unless
the actions, intervals, and CDCCLs are approved as an alternative
method of compliance (AMOC) in accordance with the procedures
specified in paragraph (l) of this AD.
(k) Terminating Action for Certain ADs
Accomplishment of the revision required by paragraph (g) of this
AD terminates the requirements specified in paragraphs (k)(1)
through (7) of this AD for that airplane:
(1) The revision required by paragraphs (g) and (h) of AD 2008-
10-07 R1.
(2) The revision required by paragraph (g)(1) of AD 2008-18-09.
(3) The revision required by paragraph (h)(2) of AD 2010-13-12.
(4) The revision required by paragraph (h) of AD 2010-24-13.
(5) The revision required by paragraph (k) of AD 2011-06-03.
(6) The revision required by paragraph (h)(2) of AD 2014-15-14.
(7) The revision required by paragraph (h) of AD 2016-19-03.
(l) Alternative Methods of Compliance (AMOCs)
(1) The Manager, Seattle 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 responsible Flight Standards 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 (m)(1) of this AD. Information may be
emailed to: <a href="/cdn-cgi/l/email-protection#1a23375b545737497f7b6e6e767f375b5955375b57555937487f6b6f7f696e695a7c7b7b347d756c"><span class="__cf_email__" data-cfemail="88b1a5c9c6c5a5dbede9fcfce4eda5c9cbc7a5c9c5c7cba5daedf9fdedfbfcfbc8eee9e9a6efe7fe">[email protected]</span></a>.
(2) Before using any approved AMOC, notify your appropriate
principal inspector, or lacking a principal inspector, the manager
of the responsible Flight Standards 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 Company Organization Designation
Authorization (ODA) that has been authorized by the Manager, Seattle
ACO Branch, FAA, 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.
(m) Related Information
(1) For more information about this AD, contact Rose Len,
Aerospace Engineer, Propulsion Section, FAA, Seattle ACO Branch,
2200 South 216th St., Des Moines, WA 98198; phone and fax: 206-231-
3604; email: <a href="/cdn-cgi/l/email-protection#a8dac7dbcd86c4cdc6e8cec9c986cfc7de"><span class="__cf_email__" data-cfemail="f3819c8096dd9f969db3959292dd949c85">[email protected]</span></a>.
(2) 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; phone: 562-797-1717; internet: <a href="https://www.myboeingfleet.com">https://www.myboeingfleet.com</a>.
You may view this referenced service information at the FAA,
Airworthiness Products Section, Operational Safety Branch, 2200
South 216th St., Des Moines, WA. For information on the availability
of this material at the FAA, call 206-231-3195.
Issued on May 9, 2022.
Gaetano A. Sciortino,
Deputy Director for Strategic Initiatives, Compliance & Airworthiness
Division, Aircraft Certification Service.
[FR Doc. 2022-11750 Filed 6-1-22; 8:45 am]
BILLING CODE 4910-13-P
</pre><script data-cfasync="false" src="/cdn-cgi/scripts/5c5dd728/cloudflare-static/email-decode.min.js"></script></body>
</html>Indexed from Federal Register on June 2, 2022.
This is legal information, not legal advice. Laws vary by jurisdiction and change frequently. Always verify current law with official sources and consult a licensed attorney in your jurisdiction for advice on your specific situation.