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Department of Transportation
Federal Aviation Administration
• 14 CFR Part 39
• [Docket No. FAA-2025-0741; Project Identifier AD-2025-00153-T; Amendment 39-23270; AD 2026-04-10]
• 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 767-200, 767-300, 767-300F, and 767-400ER airplanes. This AD was prompted by a heavy maintenance check that found corrosion damage on a Model 767 satellite communications (SATCOM) high gain antenna adapter plate. This AD requires repetitive detailed inspections (DET) of the SATCOM high gain antenna adapter plate for corrosion and applicable on-condition actions. The FAA is issuing this AD to address the unsafe condition on these products.
DATES:
This AD is effective April 10, 2026.
The Director of the Federal Register approved the incorporation by reference of a certain publication listed in this AD as of April 10, 2026.
ADDRESSES:
AD Docket:
You may examine the AD docket at
regulations.gov
under Docket No. FAA-2025-0741; 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-2025-0741.
FOR FURTHER INFORMATION CONTACT:
Stefanie Roesli, Aviation Safety Engineer, FAA, 2200 South 216th St., Des Moines, WA 98198; phone: 206-231-3964; email:
Stefanie.N.Roesli@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 767-200, 767-300, 767-300F, and 767-400ER airplanes. The NPRM was published in the
Federal Register
on April 29, 2025 (90 FR 17741). The NPRM was prompted by a heavy maintenance check that found corrosion damage on a Model 767 SATCOM high gain antenna adapter plate. In the NPRM, the FAA proposed to require repetitive DET of the SATCOM high gain antenna adapter plate for corrosion and applicable on condition actions. The FAA is issuing this AD to prevent corrosion damage of the SATCOM high gain antenna adapter plates, which could result in parts departing the airplane (PDA). A PDA event of the SATCOM high gain antenna system could damage the primary flight control surfaces which may result in loss of continued safe flight an…
Fonte: Federal Register (federalregister.gov). Texto original em inglês.