Data / Federal rules / 2025-09507
Airworthiness Directives; Bombardier, Inc., Airplanes
The Federal Aviation Administration published this final rule in the Federal Register on May 28, 2025. It took effect on July 2, 2025.
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What the agency says
The FAA is superseding Airworthiness Directive (AD) 2020-19- 13, which applied to certain Bombardier, Inc., Model CL-600-1A11 (600), CL-600-2A12 (601), and CL-600-2B16 (601-3A, 601-3R, and 604 Variants) airplanes. AD 2020-19-13 required a check to identify the manufacturer and part number of the portable oxygen bottle installation, and, if necessary, modification of the portable oxygen bottle installation. This AD continues to require the actions specified in AD 2020-19-13 and expands the applicability. This AD was prompted by a report indicating that the portable oxygen bottle installation's upper bracket latch assembly can catch on the pressure gauge tube or on the pressure gauge bezel of the portable oxygen bottle. This AD was also prompted by the determination that additional airplanes may be subject to the unsafe condition. The FAA is issuing this AD to address the unsafe condition on these products.
Key facts
- Document number
- 2025-09507
- Type
- Final rule
- Action
- Final rule
- Agency
- Transportation Department; Federal Aviation Administration
- Published
- May 28, 2025
- Takes effect
- July 2, 2025
- Dates
- This AD is effective July 2, 2025.
- Docket
- Docket No. FAA-2024-2717; Project Identifier MCAI-2024-00147-T; Amendment 39-23011; AD 2025-07-09
- 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 May 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.