[sci.space.shuttle] Shuttle Status for 01/02/91

yee@trident.arc.nasa.gov (Peter E. Yee) (01/03/91)

              Wednesday January 2, 1991                 10:00 a.m. EST

                     KSC SPACE SHUTTLE PROCESSING STATUS REPORT

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                     STS-39 -- Discovery (OV 103)  -  OPF Bay 1

               Power up of Discovery's electrical system is scheduled for
          later this afternoon, followed by the opening of the payload bay
          doors. The main propulsion system check valves have been
          installed and a high pressure test on the MPS system is scheduled
          for later this week.

               The forward reaction control system was not installed prior
          to the holidays as scheduled, but will be mated to the vehicle
          later this week.

               In the Vehicle Assembly Building, closeouts of the solid
          rocket boosters, previously mated with the external tank,
          continue today in high bay 1.


                      STS-37 -- Atlantis (OV-104)  -  OPF Bay 2

               Power up of the vehicle is scheduled for Friday, followed by
          opening of the payload bay doors. The remote manipulator system,
          or robot arm, will be installed this weekend. Work to change out
          the general purpose computers on Atlantis continues this week.

               Today, auxiliary power unit number 2 will be installed and
          the APU water valves will be replaced as scheduled. Helium
          systems checkouts and left hand orbital maneuvering system
          checkouts will pick up again today.

               Modification work to install the new carbon brakes on the
          orbiter's wheels will be finished this week.

               In the Vehicle Assembly Building, the left aft center solid
          rocket booster segment will be lifted and mated to the existing
          segment on the mobile launcher platform in high bay 3.


                   STS-35  --  Columbia (OV 102) - VAB High Bay 2

               The orbiter Columbia remains in the Vehicle Assembly
          Building high bay 2. General purges of the vehicle continue.
          Access to the orbiter will be made today. Columbia will remain in
          the VAB until Discovery vacates the Orbiter Processing Facility,
          around the end of January.