AD Amdt-39-10203
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Fairchild | Model FH-227 Series | Airworthiness Directives; Fairchild Model FH-227 Series Airplanes |
Unsafe Condition
Improper use of the propeller ground beta range during flight can lead to loss of airplane controllability, engine overspeed, and consequent loss of engine power due to power levers positioned below the flight idle stop.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Revise the Airplane Flight Manual (AFM) to prohibit positioning of the power levers below the flight idle stop during flight and add a statement about the consequences of such positioning.
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Compliance Time
Before further flight
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Affected Aircraft
Fairchild Model FH-227 series airplanes
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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