Installing a spare antenna on the station's truss, or backbone, and 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 and lubricated the snares of the hand of the station's Japanese robotic arm.

Installing a new oxygen tank on the Quest airlock and the next set of the "Materials on International Space Station Experiment," known as MISSE-7A and 7B, on ELC-2. They worked the heater cables on a docking adapter in advance of the Tranquility node's installation on Unity's port side and deployed another cargo platform on the truss.