|Total EVA time:||15h 23m|
|No.||Date||Together with||Time||Main tasks and notes|
|1||11.02.2008||R. Walheim||7h 58m||
Preparing the Columbus module for installation on Harmony. They installed the Power Data Grapple Fixture on Columbus. Preparing work to remove the Nitrogen Tank Assembly, a part of the stations thermal control system, from the P1 truss.
|2||15.02.2008||R. Walheim||7h 25m||
Installing two payloads on Columbus' exterior: SOLAR. Moving a failed control moment gyroscope from its storage location on the station to the shuttle's payload bay for return to Earth.