AD Amdt-39-9512
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | AlliedSignal | Inc. TFE731 Series Turbofan | Airworthiness Directives; AlliedSignal Inc. TFE731 Series Turbofan Engines |
Unsafe Condition
Fatigue cracking in the dovetail slots of fan rotor disks can result in uncontained failure of the fan rotor, leading to inflight engine shutdowns, severe secondary damage, and fan rotor assembly separation.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Reinspect 33 additional fan rotor disks beyond previous requirements, replace cracked disks with serviceable parts, and ensure compliance with improved inspection tape review processes.
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Compliance Time
Before further flight
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Affected Aircraft
AlliedSignal Inc. (formerly Garrett Engine Division) TFE731 series turbofan engines requiring eddy current inspection of fan rotor disks as per AD 93-25-16.
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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