NOTE: The helium signature leak test was completed yesterday and Endeavour’s payload bay doors were closed by midnight. Thermal blanket installation on the left payload bay door begins Thursday and concludes on Sunday. Loading of hypergolic propellants into Endeavour’s orbiter maneuvering system pods began this morning and will continue through tomorrow. All three auxiliary power units will be hot-fired on Thursday.
The STS-89 crew arrives at KSC tomorrow at about 7 p.m. to participate in launch familiarization activities. They will take part in the Terminal Countdown Demonstration Test on Friday and Saturday.
STS-89 SCHEDULED OPERATIONAL MILESTONES (dates are target only):
NOTE: Shuttle Columbia’s payload bay doors were opened yesterday to accommodate Ku band antenna testing yesterday afternoon. The orbiter’s nose and main landing gear tires were also installed yesterday. Orbiter maneuvering system testing and replacement of fuel cells No. 1 and 3 are in work. Window polishing efforts begin tomorrow and inspections of the forward reaction control system are scheduled for Friday.
STS-90 SCHEDULED OPERATIONAL MILESTONES (dates are target only):
NOTE: Discovery’s payload bay doors are open and Ku band antenna deploy and testing are complete. Body flap corrosion repair work has resumed. Preparations are in work for removal of the orbiter’s forward reaction control system tonight. Friday, technicians will replace fuel cell No. 2.
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