Data / Federal rules / 2026-06067
Airworthiness Directives; The Boeing Company Airplanes
The Federal Aviation Administration published this proposed rule in the Federal Register on March 30, 2026. Comments closed on May 14, 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 a report indicating that adjusting the upper locking hydraulic actuator proximity sensor targets in accordance with certain data in the aircraft maintenance manual (AMM) could result in incorrect upper locking hydraulic actuator indications, which could result in a thrust reverser that indicates `locked' when it is not locked. This proposed AD would require conducting measurements, tests, and operational checks of the upper locking hydraulic actuator for certain functions, performing applicable on-condition actions, and revising the existing maintenance or inspection program, as applicable, to incorporate certain certification maintenance requirements (CMR). The FAA is proposing this AD to address the unsafe condition on these products.
Key facts
- Document number
- 2026-06067
- Type
- Proposed rule
- Action
- Notice of proposed rulemaking (NPRM)
- Agency
- Transportation Department; Federal Aviation Administration
- Published
- March 30, 2026
- Comments due
- May 14, 2026
- Dates
- The FAA must receive comments on this proposed AD by May 14, 2026.
- Docket
- Docket No. FAA-2026-2726; Project Identifier AD-2025-00364-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 March 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.