yee@trident.arc.nasa.gov (Peter E. Yee) (09/16/90)
KSC SHUTTLE STATUS REPORT - THURSDAY, SEPT. 13, 1990 11:30 AM
STS-35 - COLUMBIA (OV 102) - PAD 39-A
After analyzing data from last week's launch attempt, offi-
cials have decided to perform additional leak tests of the main
propulsion system and the number 2 main engine. Those tests are
currently scheduled for later today.
Yesterday, a purge of the liquid hydrogen tank was com-
pleted. Today, a purge is scheduled for the power reactant
storage and distribution system storage tanks. These tanks are
loaded with super cold reactants during the launch countdown.
Closeouts of the aft compartment for flight are continuing
today. These activities include inspections of the hydraulic sys-
tems, draining condensation from the flash evaporator, removing
protective covers from components, installing a baggie on a fuel
duct, installing gas samplers, taking closeout photos and overall
cleaning.
Launch countdown preparations have begun. The countdown is
scheduled to begin at 1 a.m. EDT Saturday leading up to the lift-
off at 1:28 a.m. EDT Tuesday, Sept. 18. Part of the STS-35 flight
crew is currently scheduled to arrive at KSC Saturday evening and
the rest of the crew will arrive Sunday.
STS-41 - DISCOVERY (OV 103) - PAD 39-B
Preparations are underway to load hypergolic propel-
lants aboard the orbiter this weekend. Quick disconnects are
being hooked up to the orbiter today and leak checks will follow.
The pad will be closed to all non-essential personnel for this
operation which begins Friday night.
An end-to-end test of the Ulysses payload is scheduled
today.
STS-38 - ATLANTIS (OV 104) - OPF BAY 2
Operations to replace the flash evaporator are continuing.
Brazing operations are continuing. Tile repairs are continuing
and thermal control blankets are being installed on the forward
bulkhead. Atlantis is being prepared for rollover to the VAB the
end of the month.