Data / Federal rules / 2025-22444
Airworthiness Directives; Piaggio Aviation S.p.A. Airplanes
The Federal Aviation Administration published this proposed rule in the Federal Register on December 10, 2025. Comments closed on January 26, 2026.
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What the agency says
The FAA proposes to adopt a new airworthiness directive (AD) for certain Piaggio Aviation S.p.A. (Piaggio) Model P-180 airplanes. This proposed AD was prompted by a report of chafing in the flap transmission shafts. This proposed AD would require inspecting the flap transmission shaft for chafing or any damage (surface abrasions, grooves or rubbing tracks, and metallic smears or transfers), measuring specific gaps, and, depending on findings, accomplishing applicable corrective actions. The FAA is proposing this AD to address the unsafe condition on these products.
Key facts
- Document number
- 2025-22444
- Type
- Proposed rule
- Action
- Notice of proposed rulemaking (NPRM)
- Agency
- Transportation Department; Federal Aviation Administration
- Published
- December 10, 2025
- Comments due
- January 26, 2026
- Dates
- The FAA must receive comments on this NPRM by January 26, 2026.
- Docket
- Docket No. FAA-2025-5027; Project Identifier MCAI-2025-00023-A
- 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 December 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.