AD 91-14-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | British Aerospace Regional Aircraft | H.P. 137 Jetstream Mk. 1 | Airworthiness Directives; British Aerospace Jetstream Models HP 137 Mk1, Jetstream Series 200, and Jetstream Models 3101 and 3201 Airplanes |
| aircraft | British Aerospace Regional Aircraft | Jetstream 3201 | Airworthiness Directives; British Aerospace Jetstream Models HP 137 Mk1, Jetstream Series 200, and Jetstream Models 3101 and 3201 Airplanes |
| aircraft | British Aerospace Regional Aircraft | Jetstream Series 200 | Airworthiness Directives; British Aerospace Jetstream Models HP 137 Mk1, Jetstream Series 200, and Jetstream Models 3101 and 3201 Airplanes |
| aircraft | British Aerospace Regional Aircraft | Jetstream Series 3101 | Airworthiness Directives; British Aerospace Jetstream Models HP 137 Mk1, Jetstream Series 200, and Jetstream Models 3101 and 3201 Airplanes |
Unsafe Condition
Separation of the landing gear wheel from the airplane during high-speed ground operations due to damaged main landing gear wheel bearings, which could result in loss of control.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Within the next 100 landings, inspect main landing gear wheel bearings for damage per BAe ASB 32-A-JA 910140. Replace bearings if damage is found before further flight. Within 500 landings, install a flanged axle nut per the same ASB and applicable service bulletins, including torque loading procedures specific to Dunlop or B.F. Goodrich wheel assemblies.
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Compliance Time
Within the next 100 landings for inspection and within the next 500 landings for installation of flanged axle nut, required as indicated after the effective date of this AD (July 22, 1991).
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Affected Aircraft
British Aerospace Regional Aircraft Jetstream HP 137 Mk1, Jetstream Series 200, and Jetstream Models 3101 and 3201 (all serial numbers) equipped with Dunlop or B.F. Goodrich wheel and brake assemblies.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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