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Department of Transportation
Federal Aviation Administration
• 14 CFR Part 39
• [Docket No. FAA-2025-0338; Project Identifier AD-2024-00641-T; Amendment 39-23188; AD 2025-23-05]
• RIN 2120-AA64
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 787-8, 787-9, and 787-10 airplanes. This AD was prompted by reports of multiple nonconformances, including excessive gaps and pull-up, in the forward pressure bulkhead. This AD requires an internal and external detailed inspection (DET) of the forward pressure bulkhead (FPB) for any damage and performing applicable on-condition actions. The FAA is issuing this AD to address the unsafe condition on these products.
DATES:
This AD is effective January 13, 2026.
The Director of the Federal Register approved the incorporation by reference of a certain publication listed in this AD as of January 13, 2026.
ADDRESSES:
AD Docket:
You may examine the AD docket at
regulations.gov
under Docket No. FAA-2025-0338; 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; websitemyboeingfleet.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 atregulations.gov
under Docket No. FAA-2025-0338.
FOR FURTHER INFORMATION CONTACT:
Joseph Hodgin, Aviation Safety Engineer, FAA, 2200 South 216th St., Des Moines, WA 98198; phone: 206-231-3962; email:
joseph.j.hodgin@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 787-8, 787-9, and 787-10 airplanes. The NPRM was published in the
Federal Register
on March 14, 2025 (90 FR 12115). The NPRM was prompted by reports of multiple nonconformances, including excessive gaps and pull-up, in the forward pressure bulkhead. In the NPRM, the FAA proposed to require an internal and external DET of the FPB for any damage and performing applicable on-condition actions. The FAA is issuing this AD to address fatigue cracks that can develop prior to baseline structural inspection thresholds. The unsafe condition, if not addressed, could result in undetected fatigue cracks that can grow to weaken the primary structure where it cannot sustain limit load, which could adversely affect the struct…
Fonte: Federal Register (federalregister.gov). Texto original em inglês.