AD 2012-02-12
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier | Various | Airworthiness Directives; Bombardier, Inc. Airplanes |
Unsafe Condition
Burnt AC power wire bundle causing loss of ice protection systems for angle of attack vanes, pitot probes, engine inlets, and windshields, leading to loss of or misleading airspeed indication and increased workload for the flight crew, which could lead to loss of control of the airplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the AC power wire bundle for damage, including foreign object damage, sharp bends, kinking, insulation cracking, heat damage, and chafing. Repair if necessary. Segregate the wire bundle into two wire bundles and install Teflon tubing.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 400 flight hours or 60 days, whichever occurs first, after the effective date of this AD.
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 4095 through 4391 inclusive.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.