baalke@mars.jpl.nasa.gov (Ron Baalke) (01/31/91)
KSC SHUTTLE STATUS REPORT - WEDNESDAY, JAN. 30, 1991
STS-39/DoD - DISCOVERY (OV 103) - OPF BAY 1
LAUNCH - MARCH 1991
WORK IN PROGRESS:
- Preparations to replace three thrusters on orbital maneuvering
system pods.
- Main propulsion system gaseous hydrogen system leak checks.
- Cleaning of the payload bay.
- Closeouts of the aft compartment.
- Checks of the inboard flipper doors.
WORK COMPLETED:
- Checks of three orbital maneuvering system thrusters at the Hy-
pergolic Maintenance Facility to be installed on Discovery.
- Main propulsion system gaseous oxygen system leak checks.
WORK SCHEDULED:
- Installation of three OMS thrusters on Thursday.
- Structural leak checks of the orbiter in the next few days.
- Final payload bay door closure tonight.
- Closeouts to prepare for rollover to the Vehicle Assembly
Building next week.
CONCERNS:
- Two thrusters on the left pod will be replaced because of out
of specification leakage. One thruster on the right pod will be
replaced because of suspect nozzle to body welds. New thrusters
have been checked and will be delivered to the OPF today. Re-
placement operations are scheduled to begin at midnight and will
continue through tomorrow. Thruster connections and retest ac-
tivities are scheduled to be complete by Sunday. Rollover to the
VAB is targeted for Feb. 7.
STS-37/GAMMA RAY OBSERVATORY - ATLANTIS (OV 104) - OPF BAY 2
LAUNCH - APRIL 1991
WORK IN PROGRESS:
- Water spray boiler leak and functional tests.
- Auxiliary power unit functional tests.
- Preparations to install the forward reaction control system.
- Potable water servicing.
- External tank door latch pull test.
WORK COMPLETED:
- Installation of the main engine 2 controller.
- Forward reaction control system arrived at OPF last night.
- Ku-band antenna testing.
WORK SCHEDULED:
- External tank door functional test tomorrow.
- Main engine 2 flight readiness test next week.
- Installation of heat shields for engines 1 and 3.
- Installation of the forward reaction control system tonight.
- Installation of windows 1 and 6 this week.
STS-40/SPACELAB LIFE SCIENCES 1 - COLUMBIA (OV 102) - VAB HB 2
LAUNCH - MAY
WORK IN PROGRESS:
- Installation of wing struts.
- Modification to the middeck.
- Thermal protection system operations.
- Cycling of the landing gear doors for tile operations.
WORK SCHEDULED:
- Closeouts to ready the vehicle for transfer to the Orbiter
Processing Facility following Discovery's move to the VAB.
STS-37 SOLID ROCKET BOOSTERS/EXTERNAL TANK - VAB
WORK IN PROGRESS:
- Closeouts of all booster field joints and cable routing.
WORK SCHEDULED:
- Alignment of the boosters.
- Mate of the external tank to the boosters as early as Monday.
___ _____ ___
/_ /| /____/ \ /_ /| Ron Baalke | baalke@mars.jpl.nasa.gov
| | | | __ \ /| | | | Jet Propulsion Lab |
___| | | | |__) |/ | | |___ M/S 301-355 | It's 10PM, do you know
/___| | | | ___/ | |/__ /| Pasadena, CA 91109 | where your spacecraft is?
|_____|/ |_|/ |_____|/ | We do!