AD Amdt-39-10497

final rule
Data completeness: 70%

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

AD Number
Amdt-39-10497
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 98-NM-124-AD
FR Citation
63 FR 20064

Applicability

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

Unsafe Condition

Failure of the second of two DC generators after the failure of the first generator could lead to loss of main battery power and result in loss of all electrical power except the emergency battery supply during flight.

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

Required Actions

Revise the Airplane Flight Manual (AFM) to add specific flightcrew instructions for the event of failure of one or both DC generators.

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.

View Official Source ↗ Find More ADs for Aerospatiale Model ATR-42 and ATR-72 Series

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