From: NASA HQ
Posted: Thursday, September 20, 2001
NASA and the United Space Alliance have signed a $62 million modification to the Space Flight Operations Contract to provide refurbishment of hydraulic actuators on the space shuttle fleet during the next five years.
The work, which is planned during regularly scheduled future shuttle maintenance periods, will involve the complete refurbishment of the 11 hydraulic actuators on each space shuttle orbiter. The actuators move the vehicle's rudder, speed brake, elevons and main engines during flight. In addition to being fully rebuilt, the actuators will be modified with a new one-piece spool stop to correct a problem with the potential unseating of spool stops that was identified during previous shuttle maintenance work. Endeavour will be the first shuttle to have the refurbished actuators installed during its next maintenance period, planned to begin in 2003.
The work will be performed at locations including East Aurora, N.Y.; Palmdale and Huntington Beach, Calif.; and the Kennedy Space Center, Fla.
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