AD 87-13-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | British Aerospace Regional Aircraft | H.P. 137 Jetstream Mk. 1 | Airworthiness Directives; British Aerospace Model HP 137 Mk1, Jetstream Series 200, and Jetstream Model 3101 Airplanes |
| aircraft | British Aerospace Regional Aircraft | Jetstream Series 200 | Airworthiness Directives; British Aerospace Model HP 137 Mk1, Jetstream Series 200, and Jetstream Model 3101 Airplanes |
| aircraft | British Aerospace Regional Aircraft | Jetstream Series 3101 | Airworthiness Directives; British Aerospace Model HP 137 Mk1, Jetstream Series 200, and Jetstream Model 3101 Airplanes |
Unsafe Condition
Collapse, failure, or loss of ground directional control of the main landing gear due to undetected cracks in the main landing gear legs.
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Required Actions
Inspect main landing gear legs using non-destructive test (NDT) procedures per BAe Air Weapons Division S/B 32-32. Replace gear with a serviceable unit if cracks are found before further flight. Adjust inspection intervals up to 20% for maintenance coordination. Equivalent compliance may be approved by FAA.
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Compliance Time
Within 30 days after the effective date (June 30, 1987) or the inspection threshold criteria in Table 1, whichever occurs later. Recurring inspections at intervals specified in Table 1.
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Affected Aircraft
British Aerospace Regional Aircraft: HP 137 Jetstream Mk. 1, Jetstream Series 200, Jetstream Model 3101 (all serial numbers) with main landing gear legs of specified Type Numbers.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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