Technicians install a new Auxiliary Power Unit (APU) in the aft compartment of the orbiter Discovery at Pad 39-B. The unit replaces APU #1 that failed during the STS-31 countdown on April 10.
Information
Taken in
Kennedy Space Center
Author
NASA
Description
Technicians install a new Auxiliary Power Unit (APU) in the aft compartment of the orbiter Discovery at Pad 39-B. The unit replaces APU #1 that failed during the STS-31 countdown on April 10.