Federal investigators focus on fan blades in Pratt & Whitney mid-air engine failure


In this image taken from video, the engine of United Airlines Flight 328 is on fire after after experiencing “a right-engine failure” shortly after takeoff from Denver International Airport, Saturday, Feb. 20, 2021, in Denver, Colo. The flight landed safely and none of the passengers or crew onboard were hurt. (Chad Schnell via AP) (Chad Schnell/AP)