Icing Concern Over GEnx

Operators of GEnx-powered 787s and 747-8s have been warned about the risk of ice crystals forming in the engines at high altitude. Airlines including Lufthansa, United Airlines and Japan Airlines have been told by Boeing not to fly within 50nm of high-altitude thunderstorms following six incidents this year in which GEnx engines lost power. Japan Airlines has removed 787s from Tokyo-Delhi and Tokyo-Singapore routes as a result. Boeing and General Electric are set to roll out a corrective software patch for the issue in early 2014.

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