yee@trident.arc.nasa.gov (Peter E. Yee) (09/21/90)
KSC SHUTTLE STATUS REPORT - THURSDAY, SEPT. 20, 1990 11:30 AM
STS-41 - DISCOVERY (OV 103) - PAD 39-B
Final securing of the high pressure turbo pump fuel duct on
main engine 2 is scheduled to be completed later this afternoon.
A flight readiness test of the main engines is planned later this
evening and a partial helium signature test is set for late
Friday or early Saturday to check the new duct.
Flight batteries for the Ulysses Inertial Upper Stage are
scheduled to be installed today.
As a precautionary measure, leak checks and inspections of
cover seals for the engine pre-valves are planned later today.
These seals were replaced as required since Discovery's last
flight.
Discovery and the Ulysses spacecraft are being prepared for
an Oct. 5 launch.
STS-35 - COLUMBIA (OV 102) - PAD 39-A
Workers gained access to the aft compartment yesterday and
have begun preliminary inspections. Foam will be removed from
around valves, actuators and areas of the recirculation pump
package to allow further inspections and tests.
Details and requirements are being identified for a tanking
test. A definite date for the test has not yet been set.
Propellant tanks for the orbital maneuvering system and
reaction control system will be depressurized tomorrow night.
Ordnance devices were disconnected earlier this morning.
Preparations to remove auxiliary power unit number 2 are
scheduled to begin tonight. This unit will be installed on Atlan-
tis this weekend.
STS-38 - ATLANTIS (OV 104) - OPF BAY 2
Servicing activities of the freon coolant loop are scheduled
to be completed today. Power up is planned today to begin retest
of the flash evaporator and other components. Atlantis is being
prepared for rollover to the VAB early next month.