NOTE: Replacement of a relief valve on Columbia's auxiliary power unit No. 2 and water spray boiler checkout are complete. Leak checks on the Spacelab water line are also complete and work on payload bay flood light No. 3 continues. Tunnel adapter flow rate leak testing and airlock ducting reconfiguration are in work.
STS-90 SCHEDULED OPERATIONAL MILESTONES (dates are target only):
NOTE: Voltage tests on Discovery's fuel cells were completed Friday. Installation of the power drive unit for the orbiter's right external tank umbilical door is under way. Work on the orbiter's airlock, body flap and super lightweight tank instrumentation modification continue.
The new Super Lightweight External Tank is scheduled to arrive at Port Canaveral today and await transport to KSC's turn basin. With bad weather expected today and tomorrow, delivery of the tank to KSC's Vehicle Assembly Building is expected no earlier than Wednesday.
STS-91 SCHEDULED OPERATIONAL MILESTONES (dates are target only):
NOTE: Following Endeavour's on-time landing at KSC on Saturday evening, the orbiter was towed to Orbiter Processing Facility bay 1 early yesterday morning. SPACEHAB destow activities were complete at 2 a.m. Sunday and Endeavour arrived at the OPF door at 3:34 a.m. Draining of cryogenic reactants from the power reactant storage and distribution system is in work. Strong back installation is in work today to support payload bay door opening tomorrow and payload removal begins Thursday.
Post landing inspection of Endeavour's lower surface revealed 95 total hits, of which 38 measured one-inch or greater. The fleet average is 83 total hits with 13 greater than one-inch.
STS-89 booster disassembly continues with the left hand nozzle removed last Friday and right hand nozzle removal planned for today.
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