AD 94-24-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | British Aerospace Regional Aircraft | H.P. 137 Jetstream Mk. 1 | Airworthiness Directives; Jetstream Aircraft Limited HP 137 Mk1, Jetstream series 200, and Jetstream Models 3101 and 3201 Airplanes |
| aircraft | British Aerospace Regional Aircraft | Jetstream 3201 | Airworthiness Directives; Jetstream Aircraft Limited HP 137 Mk1, Jetstream series 200, and Jetstream Models 3101 and 3201 Airplanes |
| aircraft | British Aerospace Regional Aircraft | Jetstream Series 200 | Airworthiness Directives; Jetstream Aircraft Limited HP 137 Mk1, Jetstream series 200, and Jetstream Models 3101 and 3201 Airplanes |
| aircraft | British Aerospace Regional Aircraft | Jetstream Series 3101 | Airworthiness Directives; Jetstream Aircraft Limited HP 137 Mk1, Jetstream series 200, and Jetstream Models 3101 and 3201 Airplanes |
Unsafe Condition
Failure of the flap torque shaft assembly, which could result in asymmetric flap deployment and loss of control of the airplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Install an improved torque shaft assembly in accordance with Part 1 of Jetstream Aircraft Limited Service Bulletin No. 27-JA 920340; or modify the existing torque shaft assembly in accordance with Part 2 of the same Service Bulletin. The life limit requirements and repetitive inspections of the previous ADs remain mandatory until this AD is complied with.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Required within the next 50 hours time-in-service (TIS) after the effective date of this AD, unless already accomplished.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Jetstream Aircraft Limited HP 137 Mk1, Jetstream series 200, and Jetstream Models 3101 and 3201 airplanes (all serial numbers).
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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