31. Later, the company designed a new locking device, and the thrust reversers were deemed safe. 32. Accidental use of a thrust reverser in flight could throw a plane out of control. 33. Three months after the Lauda crash, the FAA ordered all thrust reversers on 767's disabled. 34. Several aviation experts discounted the possibility of thrust reversers contributing to the Flight 990 crash. 35. A flight crew reported problems with the engine's thrust reversers more than two months ago. 36. It is built of 18 % composite materials; it has winglets, but not thrust reversers . 37. They knew a thrust reverser deployed, for example, from listening to the cockpit voice recorder. 38. The safety system automatically cut the power to the engine suffering the thrust reverser malfunction. 39. The TRA ( Thrust Reverser Aft ) structure for a life of 40, 000 hours. 40. Some work had been done on an engine part, a thrust reverser , shortly before takeoff.
