97482 Federal Register / Vol. 89, No. 236 / Monday, December 9, 2024 / Rules and Regulations 

EASA Design Organization Approval (DOA). 

If approved by the DOA, the approval must 

include the DOA-authorized signature. 

(3) Required for Compliance (RC): Except 

as required by paragraph (i)(2) of this AD, if 

any service information referenced in EASA 

AD 2024–0057 contains paragraphs that are 

labeled as RC, the instructions in RC 

paragraphs, including subparagraphs under 

an RC paragraph, must be done to comply 

with this AD; any paragraphs, including 

subparagraphs under those paragraphs, that 

are not identified as RC are recommended. 

The instructions in paragraphs, including 

subparagraphs under those paragraphs, not 

identified 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 instructions identified 

as RC can be done and the airplane can be 

put back in an airworthy condition. Any 

substitutions or changes to instructions 

identified as RC require approval of an 

AMOC. 

(j) Additional Information 

For more information about this AD, 

contact Timothy Dowling, Aviation Safety 

Engineer, FAA, 1600 Stewart Avenue, Suite 

410, Westbury, NY 11590; telephone 206– 

231–3667; email timothy.p.dowling@faa.gov. 

(k) Material Incorporated by Reference 

(1) The Director of the Federal Register 

approved the incorporation by reference 

(IBR) of the material listed in this paragraph 

under 5 U.S.C. 552(a) and 1 CFR part 51. 

(2) You must use this material as 

applicable to do the actions required by this 

AD, unless this AD specifies otherwise. 

(i) European Union Aviation Safety Agency 

(EASA) AD 2024–0057, dated February 28, 

2024. 

(ii) [Reserved] 

(3) For EASA AD 2024–0057 identified in 

this AD, contact EASA, Konrad-AdenauerUfer 3, 50668 Cologne, Germany; telephone 

+49 221 8999 000; email ADs@

easa.europa.eu; website easa.europa.eu. You 

may find this EASA AD on the EASA website 

at ad.easa.europa.eu. 

(4) You may view this material 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 material at the 

National Archives and Records 

Administration (NARA). For information on 

the availability of this material at NARA, 

visit www.archives.gov/federal-register/cfr/ 

ibr-locations or email fr.inspection@nara.gov. 

Issued on November 18, 2024. 

Peter A. White, 

Deputy Director, Integrated Certificate 

Management Division, Aircraft Certification 

Service. 

[FR Doc. 2024–28779 Filed 12–6–24; 8:45 am] 

BILLING CODE 4910–13–P 

DEPARTMENT OF TRANSPORTATION 

Federal Aviation Administration 

14 CFR Part 39 

[Docket No. FAA–2024–1698; Project 

Identifier AD–2024–00005–T; Amendment 

39–22895; AD 2024–24–05] 

RIN 2120–AA64 

Airworthiness Directives; The Boeing 

Company Airplanes 

AGENCY: Federal Aviation 

Administration (FAA), DOT. 

ACTION: Final rule. 

SUMMARY: The FAA is adopting a new 

airworthiness directive (AD) for certain 

The Boeing Company Model 767–300F 

series airplanes. This AD was prompted 

by a determination that certain cargo 

compartment insulation blankets do not 

adequately fit some locations and allow 

smoke to migrate past the cargo 

compartment sidewall liners and 

upward into the main cabin. This AD 

requires replacing cargo compartment 

insulation blankets. The FAA is issuing 

this AD to address the unsafe condition 

on these products. 

DATES: This AD is effective January 13, 

2025. 

The Director of the Federal Register 

approved the incorporation by reference 

of a certain publication listed in this AD 

as of January 13, 2025. 

ADDRESSES: 

AD Docket: You may examine the AD 

docket at regulations.gov under Docket 

No. FAA–2024–1698; 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: 

• For Boeing material 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 myboeingfleet.com. 

• You may view this material 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 regulations.gov 

under Docket No. FAA–2024–1698. 

FOR FURTHER INFORMATION CONTACT: Julie 

Linn, Aviation Safety Engineer, FAA, 

2200 South 216th St., Des Moines, WA 

98198; phone: 206–231–3684; email: 

julie.linn@faa.gov. 

SUPPLEMENTARY INFORMATION: 

Background 

The FAA issued a notice of proposed 

rulemaking (NPRM) to amend 14 CFR 

part 39 by adding an AD that would 

apply to certain The Boeing Company 

Model 767–300F series airplanes. The 

NPRM published in the Federal 

Register on June 26, 2024 (89 FR 53370). 

The NPRM was prompted by a 

determination that certain cargo 

compartment insulation blankets do not 

adequately fit some locations and allow 

smoke to migrate past the cargo 

compartment sidewall liners and 

upward into the main cabin. In the 

NPRM, the FAA proposed to require 

replacing the cargo compartment 

insulation blankets. The FAA is issuing 

this AD to address inadequately fitting 

cargo compartment insulation blankets. 

The unsafe condition, if not addressed, 

could result in a fire in the bilge area of 

the cargo compartment, which if not 

contained could lead to a smoke and fire 

event in the passenger compartment. 

Discussion of Final Airworthiness 

Directive 

Comments 

The FAA received a comment from 

Air Line Pilots Association, 

International (ALPA) who supported the 

NPRM without change. 

The FAA also received comments 

from Boeing, Aviation Partners Boeing, 

and All Nippon Airways. The following 

presents the comments received on the 

NPRM and the FAA’s response to each 

comment. 

Request To Add a Boeing Alternative 

Method of Compliance (AMOC) Notice 

to the Proposed AD 

All Nippon Airways and Boeing 

requested that the FAA add Boeing 

AMOC Notice 767–25–0550 AMOC 01, 

dated March 13, 2024, to the proposed 

AD. All Nippon Airways requested that 

Boeing AMOC Notice 767–25–0550 

AMOC 01, dated March 13, 2024, be 

added to paragraph (g) of the proposed 

AD to specify that the actions should be 

done in accordance with both Boeing 

Special Attention Service Bulletin 767– 

25–0550 Revision 2, dated December 18, 

2023, and Boeing AMOC Notice 767– 

25–0550 AMOC 01, dated March 13, 

2024. All Nippon Airways stated that 

Boeing AMOC Notice 767–25–0550 

AMOC 01, dated March 13, 2024, 

provides changes regarding Boeing 


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Federal Register / Vol. 89, No. 236 / Monday, December 9, 2024 / Rules and Regulations 97483 

Special Attention Service Bulletin 767– 

25–0550, Revision 2, dated December 

18, 2023. 

Boeing requested that the FAA revise 

paragraph (h) of the proposed AD, (the 

‘‘Alternative Methods of Compliance 

(AMOCs)’’ paragraph), to include 

language approving Boeing AMOC 

Notice 767–25–0550 AMOC 01, dated 

March 13, 2024, as an AMOC to the 

proposed AD. Boeing stated that Boeing 

AMOC Notice 767–25–0550 AMOC 01, 

dated March 13, 2024, applies to Boeing 

Special Attention Service Bulletin 767– 

25–0550, Revision 2, dated December 

18, 2023, and was approved and 

published as an alternative to 

accomplishing the requirements 

specified by paragraph (g) of AD 2021– 

12–11 Amendment 39–21598 (86 FR 

33112, June 24, 2021) (AD 2021–12–11). 

The FAA notes that the approved 

FAA AMOC letter 522–24–00097, dated 

March 12, 2024, allows Boeing AMOC 

Notice 767–25–0550 AMOC 01, dated 

March 13, 2024, as an alternative to 

certain steps in Boeing Special 

Attention Service Bulletin 767–25–0550 

Revision 2, dated December 18, 2023. 

FAA AMOC letter 522–24–00097, dated 

March 12, 2024, was previously 

approved for use in AD–2021–12–11. 

The FAA has revised paragraph (h)(4) of 

this AD to include FAA AMOC letter 

522–24–00097, dated March 12, 2024, as 

an approved AMOC for the 

corresponding actions specified in 

paragraph (g) of this AD. 

Effect of Winglets on Accomplishment 

of the Proposed Actions 

Aviation Partners Boeing stated that 

the installation of winglets per 

Supplemental Type Certificate (STC) 

ST01920SE does not affect compliance 

with the proposed actions. 

The FAA agrees with the commenter 

that STC ST01920SE does not affect the 

accomplishment of the manufacturer’s 

service instructions. Therefore, the 

installation of STC ST01920SE does not 

affect the ability to accomplish the 

actions required by this AD. The FAA 

has not changed this AD in this regard. 

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, and any other changes 

described previously, this AD is 

adopted as proposed in the NPRM. 

None of the changes will increase the 

economic burden on any operator. 

Material Incorporated by Reference 

Under 1 CFR Part 51 

The FAA reviewed Boeing Special 

Attention Service Bulletin 767–25– 

0550, Revision 2, dated December 18, 

2023. This material specifies procedures 

for replacing insulation blankets in the 

cargo compartment with insulation 

blankets with integrated fire stops. 

This material 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. 

Costs of Compliance 

The FAA estimates that this AD 

affects 32 airplanes of U.S. registry. The 

FAA estimates the following costs to 

comply with this AD: 

ESTIMATED COSTS

Action Labor cost Parts cost Cost per 

product 

Cost on U.S. 

operators 

Replacement ................. 270 work-hours × $85 per hour = $22,950 .............................................. $35,900 $58,850 $1,883,200 

The FAA has included all known 

costs in its cost estimate. According to 

the manufacturer, however, some or all 

the costs of this AD may be covered 

under warranty, thereby reducing the 

cost impact on affected operators. 

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 

■ 1. The authority citation for part 39 

continues to read as follows: 

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

§ 39.13 [Amended] 

■ 2. The FAA amends § 39.13 by adding 

the following new airworthiness 

directive: 

2024–24–05 The Boeing Company: 

Amendment 39–22895; Docket No. 

FAA–2024–1698; Project Identifier AD– 

2024–00005–T. 

(a) Effective Date 

This airworthiness directive (AD) is 

effective January 13, 2025. 

(b) Affected ADs 

None. 


ddrumheller on DSK120RN23PROD with RULES1
97484 Federal Register / Vol. 89, No. 236 / Monday, December 9, 2024 / Rules and Regulations 

(c) Applicability 

This AD applies to The Boeing Company 

Model 767–300F series airplanes, certificated 

in any category, identified as Group 7, 11 

through 15, and 18 in Boeing Special 

Attention Service Bulletin 767–25–0550, 

Revision 2, dated December 18, 2023. 

(d) Subject 

Air Transport Association (ATA) of 

America Code 25, Equipment/Furnishings. 

(e) Unsafe Condition 

This AD was prompted by a determination 

that certain cargo compartment insulation 

blankets do not adequately fit some locations 

and allow smoke to migrate past the cargo 

compartment. The FAA is issuing this AD to 

require replacing these cargo compartment 

insulation blankets. The unsafe condition, if 

not addressed, could result in a fire in the 

bilge area of the cargo compartment, which 

if not contained could lead to a smoke and 

fire event in the passenger compartment. 

(f) Compliance 

Comply with this AD within the 

compliance times specified, unless already 

done. 

(g) Required Actions 

Within 36 months after the effective date 

of this AD, do all applicable actions 

identified as ‘‘RC’’ (required for compliance) 

in, and in accordance with, the 

Accomplishment Instructions of Boeing 

Special Attention Service Bulletin 767–25– 

0550, Revision 2, dated December 18, 2023. 

(h) 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 the certification 

office, send it to the attention of the person 

identified in paragraph (i) of this AD. 

Information may be emailed to: AMOC@

faa.gov. 

(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) FAA AMOC letter 522–24–00097, dated 

March 12, 2024, approved for AD 2021–12– 

11, Amendment 39–21598 (86 FR 33112, 

June 24, 2021) is approved as an AMOC for 

the corresponding provisions of Boeing 

Special Attention Service Bulletin 767–25– 

0550, Revision 2, dated December 18, 2023, 

that are required by paragraph (g) of this AD. 

(5) For service information that contains 

steps that are labeled as Required for 

Compliance (RC), the provisions of 

paragraphs (h)(5)(i) and (ii) of this AD apply. 

(i) The steps labeled as RC, including 

substeps under an RC step and any figures 

identified in an RC step, must be done to 

comply with the AD. If a step or substep is 

labeled ‘‘RC Exempt,’’ then the RC 

requirement is removed from that step or 

substep. An AMOC is required for any 

deviations to RC steps, including substeps 

and identified figures. 

(ii) Steps not labeled as RC may be 

deviated from using accepted methods in 

accordance with the operator’s maintenance 

or inspection program without obtaining 

approval of an AMOC, provided the RC steps, 

including substeps and identified figures, can 

still be done as specified, and the airplane 

can be put back in an airworthy condition. 

(i) Related Information 

For more information about this AD, 

contact Julie Linn, Aviation Safety Engineer, 

FAA, 2200 South 216th St., Des Moines, WA 

98198; phone: 206–231–3684; email: 

julie.linn@faa.gov. 

(j) Material Incorporated by Reference 

(1) The Director of the Federal Register 

approved the incorporation by reference of 

the material listed in this paragraph under 

5 U.S.C. 552(a) and 1 CFR part 51. 

(2) You must use this material as 

applicable to do the actions required by this 

AD, unless the AD specifies otherwise. 

(i) Boeing Special Attention Service 

Bulletin 767–25–0550, Revision 2, dated 

December 18, 2023. 

(ii) [Reserved] 

(3) For Boeing material 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 myboeingfleet.com. 

(4) You may view this material 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 material at the 

National Archives and Records 

Administration (NARA). For information on 

the availability of this material at NARA, 

visit www.archives.gov/federal-register/cfr/ 

ibr-locations or email fr.inspection@nara.gov. 

Issued on November 20, 2024. 

Peter A. White, 

Deputy Director, Integrated Certificate 

Management Division, Aircraft Certification 

Service. 

[FR Doc. 2024–28781 Filed 12–6–24; 8:45 am] 

BILLING CODE 4910–13–P 

DEPARTMENT OF TRANSPORTATION 

Federal Aviation Administration 

14 CFR Part 39 

[Docket No. FAA–2023–2403; Project 

Identifier AD–2023–00888–T; Amendment 

39–22893; AD 2024–24–03] 

RIN 2120–AA64 

Airworthiness Directives; The Boeing 

Company Airplanes 

AGENCY: Federal Aviation 

Administration (FAA), DOT. 

ACTION: Final rule. 

SUMMARY: The FAA is adopting a new 

airworthiness directive (AD) for certain 

The Boeing Company Model MD–11 

and MD–11F airplanes. This AD was 

prompted by a report of a Model MD– 

11F airplane experiencing an 

uncommanded deployment of a thrust 

reverser in flight at low altitude. This 

AD requires initial and repetitive 

detailed inspections and repetitive wire 

integrity tests of the engine pylon thrust 

reverser control system wire harnesses, 

junction box assembly and junction box 

cover, left-side and right-side thrust 

reverser electrical harnesses, core 

(engine compartment) miscellaneous 

wire harness assembly, and 30-degree 

bulkhead wire harness assembly; and 

applicable on-condition actions. This 

AD also requires reporting inspection 

results. The FAA is issuing this AD to 

address the unsafe condition on these 

products. 

DATES: This AD is effective January 13, 

2025. 

The Director of the Federal Register 

approved the incorporation by reference 

of a certain publication listed in this AD 

as of January 13, 2025 

ADDRESSES: 

AD Docket: You may examine the AD 

docket at regulations.gov under Docket 

No. FAA–2023–2403; 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: 

• For Boeing material 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 myboeingfleet.com. 


ddrumheller on DSK120RN23PROD with RULES1