AD Amdt-39-9181

final rule
Data completeness: 70%

Airworthiness Directives; AlliedSignal Inc. TFE731-3 Series Turbofan Engines

AD Number
Amdt-39-9181
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. 94-ANE-42
FR Citation
60 FR 19343

Applicability

TypeManufacturerModelDetails
engine Garrett Turbine Airworthiness Directives; AlliedSignal Inc. TFE731-3 Series Turbofan Engines

Unsafe Condition

LPT disks may separate through the disk web due to creep fatigue, which may result in an uncontained engine failure.

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

Required Actions

Remove suspect low pressure turbine (LPT) disks. Inspect or replace affected LPT disks as specified.

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

AlliedSignal Inc. (formerly Garrett Turbine Engine Company) TFE731-3 series turbofan engines

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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