National Air Disaster Alliance/Foundation


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On June 5, 2001, the NTSB released a Revised Final Report for United 585, the Boeing 737, which crashed over ten years ago on March 3, 1991, at Colorado Springs, CO.

"A loss of control of the airplane resulting from the movement of the rudder surface to its blowdown limit. The rudder surface most likely deflected in a direction opposite to that commanded by the pilots as a result of a jam of the main rudder power control unit servo valve secondary slide to the servo valve housing offset from its neutral position and overtravel of the primary slide."

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NationalAirDisaster Alliance/Foundation
Washington DC
United States 20006-1846

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