Data / Federal rules / 2026-20120
Airworthiness Directives; The Boeing Company Airplanes
The Federal Aviation Administration published this final rule in the Federal Register on October 1, 2026. It takes effect on November 5, 2026.
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What the agency says
The FAA is adopting a new airworthiness directive (AD) for all The Boeing Company Model 757-300 series airplanes. This AD was prompted by a crack growth analysis that indicated that existing maintenance planning data (MPD) and supplemental structural inspection program (SSIP) tasks do not provide adequate inspection opportunities to detect cracks in the upper frames around the uppermost fastener common to the fail-safe chord at the fuselage frame splices. This AD requires an inspection or maintenance record check for existing repairs, repetitive inspections of the upper frames around the uppermost fastener common to the fail-safe chord at the fuselage frame splices for any cracks, and applicable on-condition actions. The FAA is issuing this AD to address the unsafe condition on these products.
Key facts
- Document number
- 2026-20120
- Type
- Final rule
- Action
- Final rule
- Agency
- Transportation Department; Federal Aviation Administration
- Published
- October 1, 2026
- Takes effect
- November 5, 2026
- Dates
- This AD is effective November 5, 2026.
- Docket
- Docket No. FAA-2026-2730; Project Identifier AD-2025-01579-T; Amendment 39-23477; AD 2026-20-04
- 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 October 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.