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Tue, Jun 19, 2018

AD: Engine Alliance Turbofan Engines

AD NUMBER: 2018-11-16

PRODUCT: Certain Engine Alliance (EA) GP7270, GP7272, and GP7277 turbofan engines.

ACTION: Final rule; request for comments.

SUMMARY: This AD requires a one-time eddy current inspection (ECI) of the engine fan hub blade slot bottom and blade slot front edge for cracks, a visual inspection of the engine fan hub for damage, and removal of parts if damage or defects are found that are outside serviceable limits.

This AD was prompted by an uncontained failure of the engine fan hub.

DATES: This AD is effective July 2, 2018. Comments must be received by July 30, 2018.

COST: The FAA estimates that this AD affects 0 engines installed on airplanes of U.S. registry. Should an affected engine be imported, the cost of compliance is estimated to be $1,190 for 14 hours labor at $85 per hour.

FMI: AD

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