20010612016089I

(-23) Twa flight 581 from saint louis to Denver, during descent, the right engine thrust reverser unlock light came on and went off when engine was set to idle. When the engine was returned to normal power setting the thrust reverser appeared to deploy and the blue reverser operating light came on. The crew could not stow the reverser, so they shut down the right engine and landed at Denver without any further problems. Two flew a maintenance crew to Denver to trouble shoot and repair the aircraft. They replaced the thrust reverser p/n 80886, thrust reverser control unit p/b 82432, and latch cable p/n 2291072. Presently, no defects have been found on any of the parts at this time. The control unit, p/n 82432, was sent to the manufacturer for further testing and twa personnel replaced all of the wiring and connectors on the thrust reverser assembly. Twa maintenance will notify the FAA with an m&d report if any defects are found on the controller or any other component. The aircraft has been operating normally without any further problems to the thrust reverser system as of this date July 3, 2001.