yee@trident.arc.nasa.gov (Peter E. Yee) (07/16/90)
KSC SHUTTLE STATUS - THURSDAY JULY 12, 1990 11 a.m.
STS-38 - ATLANTIS (OV 104) - LAUNCH PAD 39-A
The call-to-stations for the liquid hydrogen tanking test
occurred this morning at 7 a.m. Today, work will be centered
around preparing the vehicle and pad systems to support loading
liquid hydrogen into Atlantis' external tank tomorrow. Chill down
of the plumbing system is scheduled for 7 a.m. tomorrow with slow
fill of liquid hydrogen following 10 minutes later.
Technicians are continuing to set up special instrumentation
for the test. The aft compartment was closed out for the test at
about 3 a.m. this morning.
At about 11 p.m. tonight, the Rotating Service Structure
will be moved away from the vehicle and weather protection panels
will be retracted.
STS-35 - COLUMBIA (OV 102) - OPF BAY 2
Operations to install the 17-inch disconnect into Columbia
are continuing. The 2-inch helium purge line in the 17-inch um-
bilical is scheduled to be installed today. The Broad Band X-ray
Telescope is scheduled to be serviced with liquid argon today.
STS-41 - DISCOVERY (OV 103) - OPF BAY 1
Tests of the orbiter's systems are continuing today.
Preparations are underway for servicing the freon cooling system
to prepare the orbiter's hydraulic system for tests this weekend
of the flight control aerosurfaces and hydraulically operated
valves on the main engines. Technicians are scheduled to begin
installing heat shields around the three main engines today.
Thermal protection system operations are underway on all areas of
the vehicle.
Leak tests and thruster replacements are continuing on the
two orbital maneuvering system pods and forward reaction control
system at the Hypergolic Maintenance Facility. Discovery is being
prepared for the STS-41/Ulysses flight, scheduled for launch in
October.
STS-41 SOLID ROCKET BOOSTERS - VAB
Closeout operations of the boosters are underway.