FAA To Lower ETOPS Limits on Some Rolls-powered 787s
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The U.S. Federal Aviation Administration (FAA) published an
Airworthiness Directive on April 17 calling for a reduction of ETOPS
(extended twin engine operations) limits from 330 to 140 minutes for Boeing
787-8s and 787-9s powered by certain Rolls-Royce Trent 1000 turbofans. The
order follows reports from Rolls that prolonged operation at high thrust
settings might result in an engine failure before completion of a diversion
to an alternate airport. The posting, originally appearing on the Federal Register’s
public inspection page on April 16, covers Package C engines, which have
suffered several failures over the past year due to premature wear in their
intermediate-pressure compressor and turbine blades and seals. Read More
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mandag 23. april 2018
RR Trent problemene - ETOPS kan bli redusert til 2:20 for noen motorer - AIN
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