Data / Federal rules / 2026-11511
Airworthiness Directives; Airbus SAS Airplanes
The Federal Aviation Administration published this final rule in the Federal Register on June 9, 2026. It took effect on July 14, 2026.
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What the agency says
The FAA is adopting a new airworthiness directive (AD) for certain Airbus SAS Model A350-941 airplanes. This AD was prompted by a manufacturing investigation that found improper application of the fastener retorque process at the center wing box (CWB) and belly fairing (BF) junctions could lead to insufficient clamping. This AD requires replacing each affected part and applying additional head nut cap protection. The FAA is issuing this AD to address the unsafe condition on these products.
Key facts
- Document number
- 2026-11511
- Type
- Final rule
- Action
- Final rule
- Agency
- Transportation Department; Federal Aviation Administration
- Published
- June 9, 2026
- Takes effect
- July 14, 2026
- Dates
- This AD is effective July 14, 2026.
- Docket
- Docket No. FAA-2026-3475; Project Identifier MCAI-2025-01561-T; Amendment 39-23374; AD 2026-12-04
- Regulation ID (RIN)
- 2120-AA64
- Code of Federal Regulations
- 14 CFR 39
- Topics
- Air transportation; Aircraft; Aviation safety; Incorporation by reference; Safety
- Pages
- 3
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Everything from the Federal Aviation Administration · Rules on air transportation · Rules on aircraft · Rules on aviation safety · Published in June 2026
Read from the Federal Register API, last updated 2026-10-23. The document on federalregister.gov is the official record; dates and dockets can change through later corrections. Free to reuse with credit to SpecStream under CC BY 4.0.