Data / Federal rules / 2026-18055
Airworthiness Directives; Airbus SAS Airplanes
The Federal Aviation Administration published this final rule in the Federal Register on September 3, 2026. It took effect on September 18, 2026. Comments closed on October 19, 2026.
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What the agency says
The FAA is adopting a new airworthiness directive (AD) for certain Airbus SAS Model A350-1041 airplanes. This AD was prompted by the detection of missing chamfers under the heads of critical fasteners on the primary structure of both pylons. This AD requires an inspection of the fasteners in the affected areas and corrective actions if necessary. The FAA is issuing this AD to address the unsafe condition on these products.
Key facts
- Document number
- 2026-18055
- Type
- Final rule
- Action
- Final rule; request for comments
- Agency
- Transportation Department; Federal Aviation Administration
- Published
- September 3, 2026
- Takes effect
- September 18, 2026
- Comments due
- October 19, 2026
- Dates
- This AD is effective September 18, 2026.
- Docket
- Docket No. FAA-2026-8787; Project Identifier MCAI-2025-00836-T; Amendment 39-23452; AD 2026-17-09
- 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 September 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.