Rule2023-21718
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
October 3, 2023
Effective
November 7, 2023
Issuing agencies
Transportation DepartmentFederal Aviation Administration
Abstract
The FAA is superseding Airworthiness Directive (AD) 2021-02- 15, which applied to certain The Boeing Company Model 747-100, 747- 100B, 747-100B SUD, 747-200B, 747-200C, 747-200F, 747-300, 747-400, 747-400D, 747-400F, and 747SR series airplanes. AD 2021-02-15 required repetitive replacement of certain parts; an inspection to determine production configuration for certain parts; repetitive lubrication of certain parts and a repetitive inspection of certain parts for any exuding grease; repetitive inspections of certain parts for loose or missing attachment bolts, cracks or bushing migration, cracks or gouges, or broken, binding, or missing rollers; repetitive inspections of certain parts for cracks or corrosion; repetitive lubrication; and on-condition actions if necessary. This AD was prompted by the FAA's determination that certain compliance times must be reduced in order to address the unsafe condition. This AD continues to require the actions specified in AD 2021-02-15 with certain reduced compliance times. The FAA is issuing this AD to address the unsafe condition on these products.
Full Text
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<title>Federal Register, Volume 88 Issue 190 (Tuesday, October 3, 2023)</title>
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[Federal Register Volume 88, Number 190 (Tuesday, October 3, 2023)]
[Rules and Regulations]
[Pages 67935-67937]
From the Federal Register Online via the Government Publishing Office [<a href="http://www.gpo.gov">www.gpo.gov</a>]
[FR Doc No: 2023-21718]
[[Page 67935]]
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DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration
14 CFR Part 39
[Docket No. FAA-2023-1222; Project Identifier AD-2023-00574-T;
Amendment 39-22547; AD 2023-18-06]
RIN 2120-AA64
Airworthiness Directives; The Boeing Company Airplanes
AGENCY: Federal Aviation Administration (FAA), DOT.
ACTION: Final rule.
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SUMMARY: The FAA is superseding Airworthiness Directive (AD) 2021-02-
15, which applied to certain The Boeing Company Model 747-100, 747-
100B, 747-100B SUD, 747-200B, 747-200C, 747-200F, 747-300, 747-400,
747-400D, 747-400F, and 747SR series airplanes. AD 2021-02-15 required
repetitive replacement of certain parts; an inspection to determine
production configuration for certain parts; repetitive lubrication of
certain parts and a repetitive inspection of certain parts for any
exuding grease; repetitive inspections of certain parts for loose or
missing attachment bolts, cracks or bushing migration, cracks or
gouges, or broken, binding, or missing rollers; repetitive inspections
of certain parts for cracks or corrosion; repetitive lubrication; and
on-condition actions if necessary. This AD was prompted by the FAA's
determination that certain compliance times must be reduced in order to
address the unsafe condition. This AD continues to require the actions
specified in AD 2021-02-15 with certain reduced compliance times. The
FAA is issuing this AD to address the unsafe condition on these
products.
DATES: This AD is effective November 7, 2023.
The Director of the Federal Register approved the incorporation by
reference of a certain publication listed in this AD as of November 7,
2023.
ADDRESSES:
AD Docket: You may examine the AD docket at <a href="http://regulations.gov">regulations.gov</a> under
Docket No. FAA-2023-1222; or in person at Docket Operations between 9
a.m. and 5 p.m., Monday through Friday, except Federal holidays. The AD
docket contains this final rule, any comments received, and other
information. The address for Docket Operations is U.S. Department of
Transportation, Docket Operations, M-30, West Building Ground Floor,
Room W12-140, 1200 New Jersey Avenue SE, Washington, DC 20590.
Material Incorporated by Reference:
<bullet> For service information identified in this final rule,
contact Boeing Commercial Airplanes, Attention: Contractual & Data
Services (C&DS), 2600 Westminster Blvd., MC 110-SK57, Seal Beach, CA
90740-5600; telephone 562-797-1717; website <a href="http://myboeingfleet.com">myboeingfleet.com</a>.
<bullet> 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. It is also available at
<a href="http://regulations.gov">regulations.gov</a> under Docket No. FAA-2023-1222.
FOR FURTHER INFORMATION CONTACT: Stefanie Roesli, Aviation Safety
Engineer, FAA, 2200 South 216th St., Des Moines, WA 98198; phone: 206-
231-3964; email: <a href="/cdn-cgi/l/email-protection#5201263734333c3b377c1c7c003d37213e3b123433337c353d24"><span class="__cf_email__" data-cfemail="772403121116191e12593959251812041b1e3711161659101801">[email protected]</span></a>.
SUPPLEMENTARY INFORMATION:
Background
The FAA issued a notice of proposed rulemaking (NPRM) to amend 14
CFR part 39 to supersede AD 2021-02-15, Amendment 39-21398 (86 FR
10750, February 23, 2021) (AD 2021-02-15). AD 2021-02-15 applied to
certain The Boeing Company Model 747-100, 747-100B, 747-100B SUD, 747-
200B, 747-200C, 747-200F, 747-300, 747-400, 747-400D, 747-400F, and
747SR series airplanes. The NPRM published in the Federal Register on
July 10, 2023 (88 FR 43479). The NPRM was prompted by the FAA's
determination that certain compliance times must be reduced in order to
address the unsafe condition. In the NPRM, the FAA proposed to continue
to require the actions specified in AD 2021-02-15 with certain reduced
compliance times. The FAA is issuing this AD to address departures of
the inboard foreflap assembly from the airplane, which could result in
damage to the airplane and adversely affect the airplane's continued
safe flight and landing.
Discussion of Final Airworthiness Directive
Comments
The FAA received comments from Air Line Pilots Association,
International (ALPA) and Boeing, who supported the NPRM without change.
Conclusion
The FAA reviewed the relevant data, considered any comments
received, and determined that air safety requires adopting this AD as
proposed. Accordingly, the FAA is issuing this AD to address the unsafe
condition on these products. Except for minor editorial changes, this
AD is adopted as proposed in the NPRM. None of the changes will
increase the economic burden on any operator.
Related Service Information Under 1 CFR Part 51
The FAA reviewed Boeing Alert Requirements Bulletin 747-57A2367 RB,
Revision 1, dated March 20, 2023. This service information specifies
procedures for repetitive replacement of certain parts; a general
visual inspection to determine production configuration for certain
parts; a repetitive lubrication of certain parts and a repetitive
general visual inspection of certain parts for any exuding grease;
repetitive detailed inspections of certain parts for loose or missing
attachment bolts, cracks or bushing migration, cracks or gouges, or
broken, binding, or missing rollers; repetitive detailed inspections of
certain parts for cracks or corrosion; repetitive lubrication; and on-
condition actions if necessary. On-condition actions include
replacements and repair.
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.
Costs of Compliance
The FAA estimates that this AD affects 134 airplanes of U.S.
registry. The FAA estimates the following costs to comply with this AD:
[[Page 67936]]
Estimated Costs
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Cost on U.S.
Action Labor cost Parts cost Cost per product operators
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Repetitive replacement (retained Up to 10 work-hours $35,719 Up to $36,569 per Up to $4,900,246
actions from AD 2021-02-15). x $85 per hour = replacement cycle. per replacement
Up to $850 per cycle.
replacement cycle.
General visual inspection for 1 work-hour x $85 0 $85................ $11,390.
parts production configuration per hour = $85.
(retained actions from AD 2021-
02-15).
Repetitive detailed inspections 4 work-hours x $85 0 $340 per inspection $45,560 per
(retained actions from AD 2021- per hour = $340 cycle. inspection cycle.
02-15). per inspection
cycle.
Repetitive inspection for 1 work-hour x $85 0 $85 per lubrication $11,390 per
lubrication and repetitive per hour = $85 per lubrication.
lubrication (retained actions lubrication.
from AD 2021-02-15).
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The FAA estimates the following costs to do any necessary on-
condition actions that would be required. The FAA has no way of
determining the number of aircraft that might need these on-condition
actions:
Estimated Costs of On-Condition Replacements
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Labor cost Parts cost Cost per product
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Up to 8 work-hour x $85 per Up to $17,720.. Up to $18,400.
hour = $680.
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The FAA has received no definitive data that would enable the FAA
to provide cost estimates for the on-condition repairs specified in
this AD.
Authority for This Rulemaking
Title 49 of the United States Code specifies the FAA's authority to
issue rules on aviation safety. Subtitle I, section 106, describes the
authority of the FAA Administrator. Subtitle VII: Aviation Programs,
describes in more detail the scope of the Agency's authority.
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
This AD will not have federalism implications under Executive Order
13132. This AD will not have a substantial direct effect on the States,
on the relationship between the national government and the States, or
on the distribution of power and responsibilities among the various
levels of government.
For the reasons discussed above, I certify that this AD:
(1) Is not a ``significant regulatory action'' under Executive
Order 12866,
(2) Will not affect intrastate aviation in Alaska, and
(3) 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 Amendment
Accordingly, under the authority delegated to me by the
Administrator, the FAA amends 14 CFR part 39 as follows:
PART 39--AIRWORTHINESS DIRECTIVES
0
1. The authority citation for part 39 continues to read as follows:
Authority: 49 U.S.C. 106(g), 40113, 44701.
Sec. 39.13 [Amended]
0
2. The FAA amends Sec. 39.13 by:
0
a. Removing Airworthiness Directive (AD) 2021-02-15, Amendment 39-21398
(86 FR 10750, February 23, 2021); and
0
b. Adding the following new AD:
2023-18-06 The Boeing Company: Amendment 39-22547; Docket No. FAA-
2023-1222; Project Identifier AD-2023-00574-T.
(a) Effective Date
This airworthiness directive (AD) is effective November 7, 2023.
(b) Affected ADs
This AD replaces AD 2021-02-15, Amendment 39-21398 (86 FR 10750,
February 23, 2021) (AD 2021-02-15).
(c) Applicability
This AD applies to The Boeing Company Model 747-100, 747-100B,
747-100B SUD, 747-200B, 747-200C, 747-200F, 747-300, 747-400, 747-
400D, 747-400F, and 747SR series airplanes, certificated in any
category, as identified in Boeing Alert Requirements Bulletin 747-
57A2367 RB, Revision 1, dated March 20, 2023.
(d) Subject
Air Transport Association (ATA) of America Code 57, Wings.
(e) Unsafe Condition
This AD was prompted by reports of partial and full inboard
foreflap departures from the airplane. The FAA is issuing this AD to
address departures of the inboard foreflap assembly from the
airplane, which could result in damage to the airplane and adversely
affect the airplane's continued safe flight and landing.
(f) Compliance
Comply with this AD within the compliance times specified,
unless already done.
(g) Retained Actions, With Revised Compliance Times and Service
Information
This paragraph restates the requirements of paragraph (g) of AD
2021-02-15, with revised compliance times and service information.
Except as specified by paragraph (h) of this AD: At the applicable
times specified in the ``Compliance''
[[Page 67937]]
paragraph of Boeing Alert Requirements Bulletin 747-57A2367 RB,
Revision 1, dated March 20, 2023, do all applicable actions
identified in, and in accordance with, the Accomplishment
Instructions of Boeing Alert Requirements Bulletin 747-57A2367 RB,
Revision 1, dated March 20, 2023.
Note 1 to paragraph (g): Guidance for accomplishing the actions
required by this AD can be found in Boeing Alert Service Bulletin
747-57A2367, Revision 1, dated March 20, 2023, which is referred to
in Boeing Alert Requirements Bulletin 747-57A2367 RB, Revision 1,
dated March 20, 2023.
(h) Exceptions to Service Information Specifications
(1) Where the Compliance Time columns of the tables in the
``Compliance'' paragraph of Boeing Alert Requirements Bulletin 747-
57A2367 RB, Revision 1, dated March 20, 2023, use the phrase ``the
original issue date of Requirements Bulletin 747-57A2367 RB,'' this
AD requires using March 30, 2021 (the effective date of AD 2021-02-
15).
(2) Where the Compliance Time columns of the tables in the
``Compliance'' paragraph of Boeing Alert Requirements Bulletin 747-
57A2367 RB, Revision 1, dated March 20, 2023, use the phrase ``the
Revision 1 date of Requirements Bulletin 747-57A2367 RB,'' this AD
requires using ``the effective date of this AD.''
(i) Credit for Previous Actions
This paragraph provides credit for the actions specified in
paragraph (g) of this AD, if those actions were performed before the
effective date of this AD using Boeing Alert Requirements Bulletin
747-57A2367 RB, dated November 15, 2019.
(j) Alternative Methods of Compliance (AMOCs)
(1) The Manager, AIR-520 Continued Operational Safety 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 AIR-520 Continued Operational
Safety Branch, send it to the attention of the person identified in
paragraph (k)(1) of this AD. Information may be emailed to: <a href="/cdn-cgi/l/email-protection#bc8591fdf2f191efd9ddc8c8d0d991fdfff391fdf1f3ff91eed9cdc9d9cfc8cffcdadddd92dbd3ca"><span class="__cf_email__" data-cfemail="8fb6a2cec1c2a2dceaeefbfbe3eaa2ceccc0a2cec2c0cca2ddeafefaeafcfbfccfe9eeeea1e8e0f9">[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, AIR-520
Continued Operational Safety 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.
(4) AMOCs approved for AD 2021-02-15 are approved as AMOCs for
the corresponding provisions of Boeing Alert Requirements Bulletin
747-57A2367 RB, Revision 1, dated March 20, 2023, that are required
by paragraph (g) of this AD.
(k) Related Information
(1) For more information about this AD, contact Stefanie Roesli,
Aviation Safety Engineer, FAA, 2200 South 216th St., Des Moines, WA
98198; phone: 206-231-3964; email: <a href="/cdn-cgi/l/email-protection#4310372625222d2a266d0d6d112c26302f2a032522226d242c35"><span class="__cf_email__" data-cfemail="d182a5b4b7b0bfb8b4ff9fff83beb4a2bdb891b7b0b0ffb6bea7">[email protected]</span></a>.
(2) Service information identified in this AD that is not
incorporated by reference is available at the addresses specified in
paragraphs (l)(3) and (4) of this AD.
(l) Material Incorporated by Reference
(1) The Director of the Federal Register approved the
incorporation by reference (IBR) of the service information listed
in this paragraph under 5 U.S.C. 552(a) and 1 CFR part 51.
(2) You must use this service information as applicable to do
the actions required by this AD, unless the AD specifies otherwise.
(i) Boeing Alert Requirements Bulletin 747-57A2367 RB, Revision
1, dated March 20, 2023.
(ii) [Reserved]
(3) For service information identified in this AD, contact
Boeing Commercial Airplanes, Attention: Contractual & Data Services
(C&DS), 2600 Westminster Blvd., MC 110-SK57, Seal Beach, CA 90740-
5600; telephone 562-797-1717; website <a href="http://myboeingfleet.com">myboeingfleet.com</a>.
(4) 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.
(5) You may view this service information that is incorporated
by reference at the National Archives and Records Administration
(NARA). For information on the availability of this material at
NARA, email <a href="/cdn-cgi/l/email-protection#5335217d3a3d20233630273a3c3d133d3221327d343c25"><span class="__cf_email__" data-cfemail="7214005c1b1c01021711061b1d1c321c1300135c151d04">[email protected]</span></a>, or go to: <a href="http://www.archives.gov/federal-register/cfr/ibr-locations.html">www.archives.gov/federal-register/cfr/ibr-locations.html</a>.
Issued on September 7, 2023.
Caitlin Locke,
Director, Compliance & Airworthiness Division, Aircraft Certification
Service.
[FR Doc. 2023-21718 Filed 10-2-23; 8:45 am]
BILLING CODE 4910-13-P
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