AD 97-03-08
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | BAE Systems (Operations) Limited | Jetstream Model 4101 | Airworthiness Directives; Jetstream Model 4101 Airplanes |
Unsafe Condition
Fatigue cracking of the drag brace of the left and right main landing gear (MLG) due to offset lightening holes, which could cause MLG failure and reduced controllability during takeoff, landing, and taxiing.
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Required Actions
Perform a detailed visual inspection within 50 hours time-in-service after the effective date to detect cracking at the offset lightening hole on the drag braces. Repeat inspections every 50 hours until replaced. Replace braces with Jetstream P/N AIR84352-4 having centralized lightening holes within two years or earlier if cracking is found, terminating inspections.
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Compliance Time
Within 50 hours time-in-service after the effective date (March 11, 1997) for initial inspection; within two years after the effective date for replacement unless accomplished earlier due to cracking.
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Affected Aircraft
Jetstream Model 4101 airplanes with constructors numbers 41004 through 41009 inclusive, and 41017; equipped with MLG drag braces having Jetstream part numbers AIR84352-0 through AIR84352-4 with offset lightening holes.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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