AD Amdt-39-10413

final rule
Data completeness: 70%

Airworthiness Directives; Aerospatiale Model ATR-42 and ATR-72 Series Airplanes

AD Number
Amdt-39-10413
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. 97-NM-228-AD
FR Citation
63 FR 15285

Applicability

TypeManufacturerModelDetails
aircraft Aerospatiale Model ATR-42 and ATR-72 Series Airworthiness Directives; Aerospatiale Model ATR-42 and ATR-72 Series Airplanes

Unsafe Condition

Improper use of the ground propeller 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 modify the flight idle stop positioning limitation and include consequences of improper power lever positioning below the flight idle stop during flight.

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

Compliance Time

Before further flight

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Affected Aircraft

Aerospatiale Model ATR-42 and ATR-72 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

This site is not affiliated with or endorsed by the FAA. Always verify with official sources.

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