FAA · Airworthiness Directive
Airworthiness Directives; Bombardier, Inc., Airplanes
Abstract
The FAA is adopting a new airworthiness directive (AD) for certain Bombardier, Inc., Model BD-100-1A10 airplanes. This AD was prompted by uncommanded horizontal stabilizer motion during several in- service events caused by a problem with the trim switch wiring. This AD requires installing the pitch/roll trim switch relays. The FAA is issuing this AD to address the unsafe condition on these products.
Applicability
Aircraft makes and models this AD applies to, sorted by US-registered fleet size.
Federal Register text
Verbatim from the Federal Register publication — required actions, compliance times, parts/serial numbers, and methods of compliance. The Federal Register is the legally binding document; this rendering is for readability. Cite: 90 FR 9207.
[Federal Register Volume 90, Number 26 (Monday, February 10, 2025)] [Rules and Regulations] [Pages 9207-9209] From the Federal Register Online via the Government Publishing Office [www.gpo.gov] [FR Doc No: 2025-02397]
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DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration
14 CFR Part 39
[Docket No. FAA-2024-2023; Project Identifier MCAI-2023-01246-T; Amendment 39-22934; AD 2025-02-01] RIN 2120-AA64
Airworthiness Directives; Bombardier, Inc., Airplanes
AGENCY: Federal Aviation Administration (FAA), DOT.
ACTION: Final rule.
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SUMMARY: The FAA is adopting a new airworthiness directive (AD) for certain Bombardier, Inc., Model BD-100-1A10 airplanes. This AD was prompted by uncommanded horizontal stabilizer motion during several in- service events caused by a problem with the trim switch wiring. This AD requires installing the pitch/roll trim switch relays. The FAA is issuing this AD to address the unsafe condition on these products.
DATES: This AD is effective March 17, 2025. The Director of the Federal Register approved the incorporation by reference of certain publications listed in this AD as of March 17, 2025.