AD 2002-09-09

Recurring final rule
Data completeness: 70%

Airworthiness Directives; Honeywell International, Inc., (Formerly AlliedSignal, Inc., Textron Lycoming, Avco Lycoming, and Lycoming) Former Military T53 Series Turboshaft Engines

AD Number
2002-09-09
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. 2000-NE-50-AD
FR Citation
67 FR 31111

Applicability

TypeManufacturerModelDetails
aircraft Textron Lycoming Airworthiness Directives; Honeywell International, Inc., (Formerly AlliedSignal, Inc., Textron Lycoming, Avco Lycoming, and Lycoming) Former Military T53 Series Turboshaft Engines
engine Honeywell International Airworthiness Directives; Honeywell International, Inc., (Formerly AlliedSignal, Inc., Textron Lycoming, Avco Lycoming, and Lycoming) Former Military T53 Series Turboshaft Engines

Unsafe Condition

Low-cycle fatigue failure of the centrifugal compressor impeller, resulting in an uncontained engine failure.

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

Required Actions

Conduct a revised operating cycle count (prorate) and perform initial and repetitive inspections for cracks of the centrifugal compressor impellers.

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

Honeywell International, Inc. (formerly AlliedSignal, Inc., Textron Lycoming, Avco Lycoming, and Lycoming) former military T53 series turboshaft 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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