AD 2017-23-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier | Various | Airworthiness Directives; Bombardier, Inc., Airplanes |
Unsafe Condition
Fatigue cracking of the left and right main landing gear (MLG) retract actuator rod ends, which could lead to MLG collapse.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect to determine if certain left and right MLG retract actuator rod ends are installed. Perform repetitive liquid penetrant inspections (LPIs) of affected left and right MLG retract actuator rod ends. Replace the left and right MLG retract actuator rod ends.
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Compliance Time
Within 12 months of effective date
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Affected Aircraft
Bombardier, Inc., Model DHC-8-400, -401, and -402 airplanes, serial numbers 4001 and 4003 through 4325.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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