United 232
Printed page 1. PDF page 7.
No. 1 auxiliary hydraulic pump, and the hydraulic pump was selected non." This action did not restore hydraulic power. ยท At 1520, the flightcrew radioed the Minneapolis Air Route Traffic Control Center (ARTCC) and requested emergency assistance an.d vectors toOpen official document at PDF page 7United Airlines Flight 232, McDonnell Douglas DC-10-10, Sioux Gateway Airport, Sioux City, Iowa, July 19, 1989