Boeing says it is "still evaluating" whether the failure of a Rolls-Royce Trent 1000 engine earlier this month on a test stand at the U.K. manufacturer's Derby, England, site might impact the year-end entry-into-service target of the 787. The engine, which was a Package A interim service configuration intended for initial aircraft only, suffered an intermediate pressure turbine-related failure. Failure occurred while being run in an "inappropriate operating regime," says Rolls, which adds, "We are now investigating in detail and have made good progress in understanding the issue."
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