AD 2024-22-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier | Various | Airworthiness Directives; De Havilland Aircraft of Canada Limited (Type Certificate Previously Held by Bombardier, Inc.) Airplanes |
| aircraft | Bombardier | Various | Airworthiness Directives; De Havilland Aircraft of Canada Limited (Type Certificate Previously Held by Bombardier, Inc.) Airplanes |
| aircraft | de Havilland | Aircraft of Canada Limited Model DHC-8-401 and - 402 | Airworthiness Directives; De Havilland Aircraft of Canada Limited (Type Certificate Previously Held by Bombardier, Inc.) Airplanes |
Unsafe Condition
Failure of certain fuse/shuttle valves to function properly, which can cause valve deformation leading to premature wear and eventual fuse/shuttle valve failure, resulting in the loss of powered landing gear extension/retraction, outboard and inboard spoilers, nose wheel steering, and normal braking, and possibly a runway excursion.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspecting the fuse/shuttle valve serial numbers, and replacing certain fuse/shuttle valves, as specified in Transport Canada AD CF-2024-01.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 8,000 flight hours or 48 months, whichever occurs first after the effective date of the AD.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
De Havilland Aircraft of Canada Limited Model DHC-8-401 and -402 airplanes.
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
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