AD 77-02-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron Aviation Inc. | 200 | Beech Model 200 Airplanes |
Unsafe Condition
Failure of the secondary low pitch stop amplifier can cause unintentional feathering of a propeller.
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Required Actions
Replace both P/N 101-364171-1 and P/N 101-364171-9 printed circuit board assemblies with P/N 101-364170-15 assemblies following Service Instruction 0745-354, or remove the secondary low pitch stop system per Service Instruction 0808-247. Equivalent methods require FAA approval.
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Compliance Time
within 100 hours' time in service after the effective date of this AD
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Affected Aircraft
Beech Model 200 airplanes with serial numbers BB-2, BB-6 thru BB-18 and BB-20 thru BB-50
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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