Assembling Special Purpose Dexterous Manipulator (SPDM), named Dextre by removing covers and installing arm components on its main body.

Evaluating the Shuttle Tile Ablator-54. The Tile Repair Ablator Dispenser, or T-RAD. They used TRAD to mix and squirt out the STA-54 material into holes in several demonstration tiles.

Moving the Orbiter Boom Sensor System to a temporary location on the station's main truss. They also installed a new trundle bearing assembly in the starboard Solar Alpha Rotary Joint.

Installing a bracket for ammonia lines on the Unity module. They lubricated the grapple mechanism on the Payload Orbital Replacement Unit Attachment Device on the Mobile Base System.

Installing the GATOR bracket to the Columbus laboratory. They installed on the truss an antenna for wireless helmet camera video. They also relocated the Floating Potential Measurement Unit that records electrical potential around the station.