AD Amdt-39-10161

final rule
Data completeness: 70%

Airworthiness Directives; General Electric Company CT58 Series Turboshaft Engines

AD Number
Amdt-39-10161
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. 97-ANE-18-AD
FR Citation
62 FR 54373

Applicability

TypeManufacturerModelDetails
engine General Electric Company CT58 Series Airworthiness Directives; General Electric Company CT58 Series Turboshaft Engines

Unsafe Condition

Cooling plates forged with contaminated alloy could reduce the lives of the parts, leading to cooling plate fracture.

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

Required Actions

Remove from service certain stage 1 and 2 forward cooling plates and stage 2 aft cooling plates, and replace them with serviceable parts.

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

General Electric Company CT58 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

This site is not affiliated with or endorsed by the FAA. Always verify with official sources.

View Official Source ↗ Find More ADs for General Electric Company CT58 Series

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Unsafe Condition: which could cause an engine fire, leading to an in-flight engine shutdown and forced landing.

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Unsafe Condition: which could cause an engine fire, leading to an in-flight engine shutdown and forced landing.

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Amdt-39-10137 Recurring

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Airworthiness Directives; General Electric Company CT58 Series Turboshaft Engines

Unsafe Condition: could result in failure of the part, causing an uncontained engine failure and damage to the aircraft.

Effective: Nov 28, 1997 Category: engine

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