AD Amdt-39-11989

final rule
Data completeness: 70%

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

AD Number
Amdt-39-11989
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 98-NM-259-AD
FR Citation
65 FR 69441

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 first generator, which could lead to the loss of main battery power and result in the 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 to add specific flightcrew instructions to be followed in the event of failure of the first generator.

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

All Aerospatiale Model ATR-42 and ATR-72 series airplanes, certificated in any category.

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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