yee@trident.arc.nasa.gov (Peter E. Yee) (11/30/90)
Tuesday November 27, 1990 10:00 a.m. EST
KSC SPACE SHUTTLE PROCESSING STATUS REPORT
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STS-35 -- Columbia (OV 102) - Pad 39-B
Mission managers are meeting today at Kennedy Space Center
for the Flight Readiness Review for Space Shuttle mission STS-35
and the ASTRO-1 observatory. Following the meeting, an
announcement is expected targeting a specific date for the launch
of Columbia.
At pad B, countdown preparations continue today. The OMS/RCS
hypergolic pressurization operations have been completed with the
maneuvering systems now in the stabilization posture. The onboard
cryogenic PRSD tanks were purged this morning. Following PRSD
operations, work to close out the aft engine compartment began.
The aft doors are scheduled to be installed in their flight
configuration Wednesday.
The payload bay doors on Columbia were opened this morning
and access to the BBXRT payload is in work today. Final argon
servicing of the X-ray telescope is slated to occur Thursday,
followed by closeout of the payload bay and final door closure.
STS-39 -- Discovery (OV 103) - OPF Bay 1
Ammonia boiler freon loop decay checks are continuing today
and work to replace the cold plate manifold seals is underway.
The nose landing gear doors have been lowered and brake and
tire installations are proceeding.
In the Hypergolic Maintenance Facility, a test of the
screens in Discovery's OMS pods was conducted yesterday. A
follow-on test will take place today.
STS-37 -- Atlantis (OV-104) - OPF Bay 2
Post-flight safing operations continue on Atlantis in the
Orbiter Processing Facility. Toxic vapor sniff checks continue
today, followed by normal tile repair work. The payload
strongbacks will be bolted into place today and the payload bay
doors opened tonight.