Data / Federal rules / 2024-30918
Airworthiness Directives; The Boeing Company Airplanes
The Federal Aviation Administration published this proposed rule in the Federal Register on December 27, 2024. Comments closed on February 25, 2025.
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What the agency says
The FAA proposes to adopt a new airworthiness directive (AD) for certain The Boeing Company Model 777-200, -200LR, -300, -300ER, and 777F series airplanes. This proposed AD was prompted by a report indicating that an airplane experienced a glideslope (G/S) beam anomaly during an instrument landing system (ILS) approach, which resulted in a higher-than-expected descent rate during the final segment of an ILS approach. The flightcrew might follow misleading flight director (F/D) guidance after disconnecting the autopilot, without reference to the other available information and flight deck indications. This proposed AD would require installing new autopilot flight director computer (AFDC) operational program software (OPS) and doing a software configuration check. The FAA is proposing this AD to address the unsafe condition on these products.
Key facts
- Document number
- 2024-30918
- Type
- Proposed rule
- Action
- Notice of proposed rulemaking (NPRM)
- Agency
- Transportation Department; Federal Aviation Administration
- Published
- December 27, 2024
- Comments due
- February 25, 2025
- Dates
- The FAA must receive comments on this proposed AD by February 25, 2025.
- Docket
- Docket No. FAA-2024-2713; Project Identifier AD-2024-00328-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 December 2024
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.