AD Amdt-39-10204

final rule
Data completeness: 70%

Airworthiness Directives; Fairchild Model F-27 Series Airplanes

AD Number
Amdt-39-10204
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. 97-NM-35-AD
FR Citation
62 FR 60775

Applicability

TypeManufacturerModelDetails
aircraft Fairchild Model F-27 Series Airworthiness Directives; Fairchild Model F-27 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 power levers below the flight idle stop during flight and include a statement on the consequences of such improper positioning.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Before further flight

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

Fairchild Model F-27 series airplanes

AI-generated summary from the source AD text. Verify against the official source before acting.

Source: Official FAA Source ↗

Retrieved: Apr 6, 2026

Rights: U.S. Government Public Domain

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