yee@trident.arc.nasa.gov (Peter E. Yee) (02/28/91)
KSC SHUTTLE STATUS REPORT - WEDNESDAY, FEB. 27, 1991 - 9:30 a.m.
STS-39/DoD - DISCOVERY (OV 103) - PAD A
LAUNCH - MARCH 1991
WORK IN PROGRESS:
- Last part of the retest for the load control assembly.
- Leak checks of the liquid hydrogen monoball connection.
- Payload operations.
WORK COMPLETED:
- Payload end-to-end test.
- Part one of ordnance activities.
- Purge of the cavity between the orbiter and external tank liq-
uid hydrogen umbilical.
WORK SCHEDULED:
- Closeouts of the aft compartment for flight.
- On Thursday, installation of two extravehicular space suits for
contingency purposes.
- Flight Readiness Review no earlier than March 4-5.
- Purges of the external tank on Friday.
CONCERNS:
- Managers want more time to continue their analysis of the ex-
ternal tank umbilical door hinges before conducting the Flight
Readiness Review.
STS-37/GAMMA RAY OBSERVATORY - ATLANTIS (OV 104) - OPF BAY 2
LAUNCH - APRIL 1991
WORK IN PROGRESS:
- Thermal protection system operations.
- Evaluation of a leaking thruster on the right orbital maneuver-
ing system pod.
- Water spray boiler servicing.
- Closeouts of the midbody.
WORK COMPLETED:
- Aerosurface cycling and a gimbal check of the three main en-
gines.
- Payload bay doors were opened.
- Samples of the potable water were good.
WORK SCHEDULED:
- Transfer of the vehicle to the Vehicle Assembly Building on
March 5.
STS-40/SPACELAB LIFE SCIENCES 1 - COLUMBIA (OV 102) - OPF BAY 1
LAUNCH - MAY
WORK IN PROGRESS:
- Tests of the power reactant storage and distribution system.
- Offloading residual hypergolic propellant from the orbital
maneuvering system and reaction control system.
- Preparations to deservice freon.
- Preparations to drain the auxiliary power unit catch bottles.
- Checks of the main propulsion system.
WORK COMPLETED:
- Draining the auxiliary power units of lube oil.
- Routine latch pull tests of the external tank umbilical doors.