AD Amdt-39-10698

final rule
Data completeness: 70%

Airworthiness Directives; Aerospatiale Model ATR42 and ATR72 Series Airplanes

AD Number
Amdt-39-10698
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. 98-NM-146-AD
FR Citation
63 FR 42222

Applicability

TypeManufacturerModelDetails
aircraft Aerospatiale Model ATR42 and ATR72 Series Airworthiness Directives; Aerospatiale Model ATR42 and ATR72 Series Airplanes

Unsafe Condition

Wear (scratches or grooving) of the aft upper fittings of the rear engine mount and consequent reduced structural integrity of the engine mounts.

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

Required Actions

Conduct one-time inspections to verify the correct shape of the upper engine cowl stiffeners and detect wear of the aft upper fittings of the rear engine mounts. Perform corrective actions if necessary.

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

Aerospatiale Model ATR42 and ATR72 series airplanes as specified by the foreign civil airworthiness authority's mandatory continuing airworthiness information.

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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