Data / Federal rules / 2025-18833
Airworthiness Directives; The Boeing Company Airplanes
The Federal Aviation Administration published this proposed rule in the Federal Register on September 29, 2025. Comments closed on November 13, 2025.
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What the agency says
The FAA proposes to adopt a new airworthiness directive (AD) for all The Boeing Company Model 737-600, -700, -700C, -800, -900, and -900ER series airplanes. This proposed AD was prompted by reports of shim installations at certain stub beam to longitudinal floor beam locations that were not installed per specifications, and an evaluation by the design approval holder indicating inadequate baseline inspections for cracking of the stub beam. This proposed AD would require repetitive inspections for any crack of the stub beam straps at certain stations and repairing any crack found. The FAA is proposing this AD to address the unsafe condition on these products.
Key facts
- Document number
- 2025-18833
- Type
- Proposed rule
- Action
- Notice of proposed rulemaking (NPRM)
- Agency
- Transportation Department; Federal Aviation Administration
- Published
- September 29, 2025
- Comments due
- November 13, 2025
- Dates
- The FAA must receive comments on this proposed AD by November 13, 2025.
- Docket
- Docket No. FAA-2025-2548; Project Identifier AD-2024-00478-T
- Regulation ID (RIN)
- 2120-AA64
- Code of Federal Regulations
- 14 CFR 39
- Topics
- Air transportation; Aircraft; Aviation safety; Incorporation by reference; Safety
- Pages
- 4
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Everything from the Federal Aviation Administration · Rules on air transportation · Rules on aircraft · Rules on aviation safety · Published in September 2025
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.