Data / Federal rules / 2025-15776
Airworthiness Directives; Airbus Helicopters
The Federal Aviation Administration published this proposed rule in the Federal Register on August 19, 2025. Comments closed on October 3, 2025.
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What the agency says
The FAA proposes to supersede Airworthiness Directive (AD) 2020-06-12, which applies to certain Airbus Helicopters Model AS 332L2 and EC 225LP helicopters. AD 2020-06-12 requires determining the accumulated hours time-in-service (TIS) of certain part-numbered main gearbox (MGB) suspension bar attachment bolts (bolt) and certain part- numbered MGB suspension bar attachment fittings (fitting), applying a life limit add-on factor, and inspecting the torque of certain MGB suspension bar attachment nuts (nuts). Since the FAA issued AD 2020-06- 12, the manufacturer developed a design improvement, and the FAA determined modifying the helicopter is necessary. This proposed AD would retain the actions required by AD 2020-06-12 and would also require modification of the MGB suspension bar, inspection of the torque, and corrective actions. This proposed AD would also allow credit for the initial service life calculations if certain requirements are met and would prohibit installing a certain bolt after the modification is accomplished on any helicopter. The FAA is proposing this AD to address the unsafe condition on these products.
Key facts
- Document number
- 2025-15776
- Type
- Proposed rule
- Action
- Notice of proposed rulemaking (NPRM)
- Agency
- Transportation Department; Federal Aviation Administration
- Published
- August 19, 2025
- Comments due
- October 3, 2025
- Dates
- The FAA must receive comments on this NPRM by October 3, 2025.
- Docket
- Docket No. FAA-2025-1736; Project Identifier MCAI-2024-00435-R
- Regulation ID (RIN)
- 2120-AA64
- Code of Federal Regulations
- 14 CFR 39
- Topics
- Air transportation; Aircraft; Aviation safety; Incorporation by reference; Safety
- Pages
- 5
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Everything from the Federal Aviation Administration · Rules on air transportation · Rules on aircraft · Rules on aviation safety · Published in August 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.