NOTE: Last Friday, Shuttle workers resumed prelaunch processing of the Space Shuttle Endeavour. The payload bay doors were opened and tests of the orbiter docking system were completed on Saturday. Over the weekend, technicians replaced three flood lights in the orbiter's midbody and payload interface verification testing (IVT) began on Sunday. IVT activities will conclude today and the orbiter's payload doors will be closed tonight.
Preparations are under way for tomorrow's loading of hypergolic propellants into Endeavour's orbiter maneuvering system pods. All three auxiliary power units will be hot-fired on Thursday.
STS-89 SCHEDULED OPERATIONAL MILESTONES (dates are target only):
NOTE: Technicians are preparing to open Shuttle Columbia's payload bay doors today following an extended down period during the holidays. This week workers will conduct checks of the orbiter maneuvering system and begin work to replace fuel cells No. 1 and 3. Installation of the orbiter's tires on the main and nose landing gear is also scheduled this week.
NOTE: Technicians began work this morning to open Discovery's payload bay doors. Holiday deconfiguration activities will follow throughout the day. Work has begun to remove the orbiter's forward reaction control system for servicing. Later this week workers will replace fuel cell No. 2.
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