American Airlines 191 suffered hanger damage when maintenance personnel failed to remove the engine as required and the hanger broke off during a takeoff It tore the hydraulic line and the left wing slats were pulled back due to a hydraulic system failure and the left wing lost lift and tilted The crew didn't know the engine had fallen off, didn't realize the plane was stalling and crashed, killing 271 peopleI made the cockpit and the engine helix. livery and Partial cockpit parts source@APersonLol Cockpit joystick source @DELTABallbilibili Button 7 is to drop the engineEnglish is not good, there may be grammar mistakes. I hope you can understand this text