NOTE: At the conclusion of yesterday's Flight Readiness Review, NASA managers announced Jan. 22 as the official launch date for mission STS-89.
At the launch pad, loading of hypergolic propellants into Endeavour's orbiter maneuvering system pods is complete. Due to unfavorable weather conditions, retraction of the Rotating Service Structure (RSS) in support of auxiliary power unit (APU) hot-fire testing has been postponed. Should weather prohibit this evening's rescheduled APU testing, the hot-fire would be performed late Monday night with no impact to the launch date. Work to repair the thermal blanket on the left payload bay door is under way.
The STS-89 crew arrived at KSC's Shuttle Landing Facility yesterday at about 7 p.m. to participate in launch familiarization activities. The crew will take part in the Terminal Countdown Demonstration Test on Friday and Saturday.
STS-89 SCHEDULED OPERATIONAL MILESTONES (dates are target only):
NOTE: Functional tests of Columbia's orbiter maneuvering system continue and fuel cell replacement work is complete. Post-flight window inspections were completed yesterday. Preparations are in work for remote manipulator system removal slated for Friday. Window polishing efforts are under way and inspections of the forward reaction control system also begin tomorrow.
STS-90 SCHEDULED OPERATIONAL MILESTONES (dates are target only):
NOTE: Technicians continue to install instrumentation that supports the new Super Lightweight External Tank scheduled to fly on STS-91 for the first time. Preparations are in work for fuel cell No. 2 replacement on Friday. Body flap corrosion repair and fuel cell monitoring modifications continue.
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