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Tue, Apr 26, 2016

AD: The Boeing Company Airplanes

AD NUMBER: 2016-08-12

PRODUCT: Boeing 787-8 and 787-9 airplanes powered by General Electric (GE) GEnx-1B engines.

ACTION: Final Rule; request for comments

SUMMARY:  This AD requires revising the airplane flight manual (AFM) to provide the flight crew a revised fan ice removal procedure and a new associated mandatory flight crew briefing to reduce the likelihood of engine damage due to fan ice shedding. This AD also removes certain dispatch relief.

For airplanes with certain engines, this AD also requires reworking or replacing at least one engine. This AD was prompted by a recent engine fan blade rub event that caused an in-flight non-restartable power loss.

The FAA is issuing this AD to prevent susceptibility to heavy fan blade rubs, which could result in engine damage and a possible in-flight non-restartable power loss of one or both engines.

DATES: This AD is effective May 9, 2016. Comments must be received by June 6, 2016.

FMI: AD

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