A Federal Aviation Administration (FAA) airworthiness directive issued on April 22, orders flight manuals for 787-8 and 787-9 airplanes powered by General Electric (GE) GEnx-1B engines need to be revised 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. The FAA warns that for aircraft with certain engines, this AD will also require “reworking or replacing at least one engine”. The AD was prompted by a recent engine fan blade rub event that caused an in-flight non-restartable power

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