AD 2013-09-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier | Various | Airworthiness Directives; Bombardier, Inc. Airplanes |
Unsafe Condition
Chafing found on the main landing gear (MLG) yoke, attributed to contact between the nacelle fire detection wires and the MLG yoke. Chafing could lead to cracking and subsequent failure of the MLG yoke, which could adversely affect the safe landing of the airplane. Additionally, chafing of the nacelle fire detection wires could cause them to fail and prevent the detection of a fire in the nacelle assembly.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the nacelle fire detection wires and the MLG yoke for damage; replace damaged nacelle fire detection wires if necessary; repair the MLG yoke if necessary; and install brackets and associated hardware to secure the fire detection wires.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 6,000 flight hours or 36 months after the effective date of this AD, whichever occurs first.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Bombardier, Inc. Model DHC-8-400, -401, and -402 airplanes; certificated in any category; serial numbers 4001 through 4382 inclusive.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.