Aerospace Group:

The Unthrustworthy 777

Steve Scott

Monday, October 9th, 2006

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Emergency Airworthiness Directive Issued For The 777's GE90 Thrust Rollbacks An emergency Airworthiness Directive (AD) issued September 30 stems from two occurrences of engine thrust rollback during takeoff on Boeing 777-300ERs, which are powered by General Electric GE90-115B engines. The concern is that the GE90 engines powering Boeing 777-200LRs and 300ERs could suffer dual thrust reductions on take-off, with potentially catastrophic consequences. In the two instances cited, just the one engine was affected but because it's software-related, the FAA cites…

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