Transport of spare parts from a cargo carrier to a stowage platform on the station's truss. They also relocated a grapple bar onto an ammonia tank assembly as a get-ahead for the STS-129 mission.

Replacing the final four batteries on the port truss.

Removing covers from the Dextre robotic arm, reconfigure cables on a panel for some circuit breakers and deploy two additional payload attachment systems. They also installed a second camera. Finally, they replaced an aging camera system on the starboard truss.

Inspection and replacement of a pump controller box on the station’s far port truss (P6) suspected of leaking ammonia coolant.

They replaced a faulty Communications Antenna on International Space Station.