Data / Federal rules / 2024-05962
Airworthiness Directives; Bombardier, Inc., Airplanes
The Federal Aviation Administration published this proposed rule in the Federal Register on March 25, 2024. Comments closed on May 9, 2024.
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What the agency says
The FAA proposes to adopt a new airworthiness directive (AD) for certain Bombardier, Inc., Model BD-100-1A10 airplanes. This proposed AD was prompted by the discovery of a single-point failure within the left-hand and right-hand heater current monitor (HCM) units. This proposed AD would require installing a monitor circuit comprising relays external to the HCM units. This proposed AD would also require revising the normal and non-normal procedure sections of the existing airplane flight manual (AFM) to add new procedures associated with revised crew alerting system (CAS) messages. The FAA is proposing this AD to address the unsafe condition on these products.
Key facts
- Document number
- 2024-05962
- Type
- Proposed rule
- Action
- Notice of proposed rulemaking (NPRM)
- Agency
- Transportation Department; Federal Aviation Administration
- Published
- March 25, 2024
- Comments due
- May 9, 2024
- Dates
- The FAA must receive comments on this proposed AD by May 9, 2024.
- Docket
- Docket No. FAA-2024-0758; Project Identifier MCAI-2023-00671-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 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.