AD Amdt-39-10231

final rule
Data completeness: 70%

Airworthiness Directives; GE Aircraft Engines CT7 Series Turboprop Engines

AD Number
Amdt-39-10231
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 97-ANE-41-AD
FR Citation
63 FR 1901

Applicability

TypeManufacturerModelDetails
aircraft GE Various Airworthiness Directives; GE Aircraft Engines CT7 Series Turboprop Engines

Unsafe Condition

Stage 1 or 2 gas generator turbine (GGT) disk failure could result in an uncontained engine failure and damage to the aircraft.

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

Required Actions

Perform eddy current inspection (ECI) of disk holes for cracks, replace with serviceable parts if necessary. Adjust cyclic compliance threshold and calendar time for ECI per corrected ASB serial number tables.

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

GE Aircraft Engines CT7 series turboprop engines as specified by corrected alert service bulletin (ASB) serial number tables.

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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