美国一国际航班因客机发动机故障折返

Core Points - A United Airlines flight experienced an engine failure shortly after takeoff, forcing it to return to Washington Dulles International Airport without any injuries reported [1] Group 1: Incident Details - The flight, United Airlines Flight 803, was en route to Tokyo, Japan, when the incident occurred [1] - The aircraft involved was a Boeing 777-200ER, and a part of the engine cover detached and caught fire, leading to a fire in the ground brush near the airport [1] - The flight had 275 passengers and 15 crew members on board, all of whom were unharmed [1] Group 2: Response and Investigation - The fire was extinguished by the airport management, and the Federal Aviation Administration (FAA) announced an investigation into the incident [1] - United Airlines indicated that another aircraft would operate the flight later that day [1]