Data / Federal rules / 2026-08154
Airworthiness Directives; The Boeing Company Airplanes
The Federal Aviation Administration published this proposed rule in the Federal Register on April 27, 2026. Comments closed on June 11, 2026.
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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 fuselage skin cracks found near the aft drain mast. This proposed AD would require inspection of the aft drain mast area and surrounding fuselage skin for any repair, repetitive inspections of the fuselage skin and structure common to the aft drain mast for any crack and any corrosion, and applicable on-condition actions. The FAA is proposing this AD to address the unsafe condition on these products.
Key facts
- Document number
- 2026-08154
- Type
- Proposed rule
- Action
- Notice of proposed rulemaking (NPRM)
- Agency
- Transportation Department; Federal Aviation Administration
- Published
- April 27, 2026
- Comments due
- June 11, 2026
- Dates
- The FAA must receive comments on this proposed AD by June 11, 2026.
- Docket
- Docket No. FAA-2026-3868; Project Identifier AD-2025-01169-T
- 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 April 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.