AD 2010-21-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier | Various | Airworthiness Directives; Bombardier, Inc. Model DHC-8 Airplanes |
| aircraft | Aviat | Various | Airworthiness Directives; Bombardier, Inc. Model DHC-8 Airplanes |
Unsafe Condition
The access panel latch assembly for the landing gear alternate extension system may fail due to repeated closure with excessive force, potentially jamming the access panel closed and preventing immediate access during an emergency.
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Required Actions
Replace the existing latch assembly with a modified latch assembly, in accordance with Bombardier Service Bulletin 8-32-166, Revision B (for DHC-8-100, -200, and -300 series) or Service Bulletin 84-32-57, Revision A (for DHC-8-400 series).
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Compliance Time
Within 6,000 flight hours or 36 months after the effective date, whichever comes first.
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Affected Aircraft
Bombardier, Inc. Model DHC-8 airplanes, including DHC-8-101, -102, -103, -106, -201, -202, -301, -311, -315, -400, -401, and -402, with serial numbers as specified.
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
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