[sci.space] Shuttle Status for 03/20/91

baalke@mars.jpl.nasa.gov (Ron Baalke) (03/21/91)

          KSC SHUTTLE STATUS REPORT - WEDNESDAY, MAR. 20, 1991 - 10  a.m.
 
             STS-37/GAMMA RAY OBSERVATORY - ATLANTIS (OV 104) - PAD 39-B
                                   LAUNCH - APRIL
 
          WORK IN PROGRESS:
          - Terminal Countdown Demonstration Test with T-0 at 11 a.m.
          - Preparations for the interface verification tests  between  the
          orbiter and the Gamma Ray Observatory payload.
          - Inspections of orbiter components in the aft compartment due to
          the water intrusion.
          -  Preparations  for  loading hypergolic propellants into the or-
          biter.
 
          WORK COMPLETED:
          - Mating the Orbiter Midbody Umbilical Unit.
          - Start of the countdown test.
          - Flight crew sharp edge inspection of the Gamma Ray Observatory.
 
          WORK SCHEDULED:
          - Gamma Ray interface test tomorrow.
          - Loading hypergolic propellants into the orbiter this weekend.
          - Launch Readiness Review March 21.
          - Flight Readiness Review March 26-27.
 
                     STS-39/DoD - DISCOVERY (OV 103) - OPF BAY 2
                           LAUNCH - LATE APRIL, EARLY MAY
 
          WORK IN PROGRESS:
          - Rigging of the right hand external tank door hinge housings and
          cycling of the doors to retest.
          - Thermal protection system operations.
 
          WORK SCHEDULED:
          - Roll to the Vehicle Assembly Building early next week.
 
           STS-40/SPACELAB LIFE SCIENCES 1 - COLUMBIA (OV 102) - OPF BAY 1
                                    LAUNCH - MAY
 
          WORK IN PROGRESS:
          - Testing connections for the payload.
          - Installation of space shuttle main engine no. 2.
          - Preparations to service the ammonia boilers.
          - Orbital maneuvering system pod functional tests.
          - Thermal protection system operations.
          - Preparations to replace the S-band antenna.
 
          WORK SCHEDULED:
          - Installation of the Spacelab Life Sciences payload into the or-
          biter this weekend.
 
          WORK COMPLETED:
          - Removal of about 10 tiles around the S-band antenna for access.
          - Installation of main engines no. 1 and 3.
 
 
 
                         STS-40 SOLID ROCKET BOOSTERS - VAB
 
               The left and right aft skirts have  been  removed  from  the
          mobile launcher platform.  Earlier this week,  gauges attached to
          the aft skirts and hold down posts gave readings about the  loads
          that  are  not understood.  The concern is that the posts are not
          aligned properly.
 
                Yesterday, officials decided to destack the boosters,  take
          optical measurements and realign the posts. Once the optical work
          is  complete,  the  boosters  are  scheduled  to  be restacked on
          Saturday. Schedule impacts are currently being assessed.

      ___    _____     ___
     /_ /|  /____/ \  /_ /|      Ron Baalke         | baalke@mars.jpl.nasa.gov
     | | | |  __ \ /| | | |      Jet Propulsion Lab | 
  ___| | | | |__) |/  | | |___   M/S 301-355        | Change is constant. 
 /___| | | |  ___/    | |/__ /|  Pasadena, CA 91109 | 
 |_____|/  |_|/       |_____|/                      |