AD 2018-03-13

Recurring final rule
Data completeness: 70%

Airworthiness Directives; General Electric Company Turboprop Engines

AD Number
2018-03-13
Status
final_rule
Effective Date
Product Category
propeller
Docket
Docket No. FAA-2017-0943
FR Citation
83 FR 6125

Applicability

TypeManufacturerModelDetails
engine General Electric Company Airworthiness Directives; General Electric Company Turboprop Engines

Unsafe Condition

cracking initiating from undiscovered corrosion in the dowel pin hole on the flange of the main propeller shaft

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

Required Actions

visually inspect the main propeller shaft for wear and corrosion and fluorescent-penetrant inspection (FPI) for cracks

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 (GE) CT7-5A2, CT7-5A3, CT7-7A, CT7-7A1, CT7-9B, CT7-9B1, CT7-9B2, CT7-9C and CT7-9C3 model turboprop 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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