LONDON (Reuters) - The engine failure that has grounded the entire fleet of Lockheed Martin Corp F-35 fighter jets was caused by "excessive" rubbing of fan blades in the plane's Pratt & Whitney engine ...

The blade is being flown on a private jet to undergo examination Tuesday. One of the fan blades that was fractured in the Pratt and Whitney engine that failed during United Airlines Flight 328 showed ...

Investigators say failure of an engine fan blade caused a United Airlines jet to lose power in one of its two engines over the Pacific last month. The National Transportation Safety Board said Tuesday ...

U.S. airline regulators have ordered inspections on engine fan blades like the one that snapped off a Southwest Airlines plane, leading to the death of a woman who was partially blown out a window.