AD 88-13-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | British Aerospace Regional Aircraft | Jetstream Series 3101 | Airworthiness Directives; British Aerospace Jetstream Model 3101 Airplanes |
Unsafe Condition
Engine torque oscillations resulting from improperly set propeller RPM levers.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Check the propeller governor low RPM setting within 50 hours time-in-service after the effective date or prior to further flight for airplanes with overhauled or replacement engines. Adjust the low RPM setting to 95.5% to 96% if out of range. Insert Advance Amendment Bulletin No. 1 into the Airplane Flight Manual within 7 calendar days.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within the next 50 hours time-in-service after the effective date of this AD, or prior to further flight for airplanes when any overhauled or replacement engine or propeller governor is installed
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Affected Aircraft
British Aerospace Regional Aircraft Jetstream Model 3101 (includes Model 3100) (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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