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Fri, Aug 03, 2018

AD: General Electric Company Turbofan Engines

AD NUMBER: 2018-16-07

PRODUCT: Certain General Electric Company (GE) GEnx-1B54, -1B58, -1B64, -1B67, -1B70, -1B54/P1, -1B58/P1, -1B64/P1, - 1B67/P1, -1B70/P1, -1B54/P2, -1B58/P2, -1B64/P2, -1B67/P2, -1B70/P2, -1B70C/P1, -1B70/72/P1, -1B70/75/P1, -1B74/75/P1, -1B75/P1, -1B70C/P2, -1B70/72/P2, -1B70/75/P2, -1B74/75/P2, - 1B75/P2, -1B76/P2, -1B76A/P2, -1B78/P2, -2B67, -2B67B, and -2B67/P turbofan engines.

ACTION: Final rule; request for comments.

SUMMARY: This AD requires removal of affected high-pressure turbine (HPT) stator cases (HPT cases) from service and their replacement with a part eligible for installation.

This AD was prompted by the discovery of a quality escape at a manufacturing facility.

DATES: This AD is effective August 15, 2018. Comments must be received by September 14, 2018.

COST: The FAA estimates that this AD affects 13 engines installed on airplanes of U.S. registry. The estimated cost of compliance is estimated to be $362,400 per aircraft for parts and labor.

FMI: AD

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