Over the weekend, workers finished bond verification on the 36 thermal protection tiles that were installed on the nose of the orbiter. Integrated hydraulic testing continues. Potable water servicing continues in work through today. Six of the 44 forward reaction control system tiles slated for replacement on Discovery are installed and bonded, and work continues to fit check and install the remaining tiles. Close-outs of Discovery's aft compartment continue this week.
Preparations are underway for payload bay door closure set to occur tomorrow.
In the Vehicle Assembly Building, work to mate the external tank to the solid rocket boosters is complete. Atlantis' orbital maneuvering system pod functional checks continue through tomorrow. Auxiliary power unit leak and functional checks are complete and main propulsion system leak and functional checks are in work. Testing of the power reactant storage and distribution system is underway. Fabrication of the replacement tiles for Atlantis' forward reaction control system is in work and installation will begin next week.