Inspection of the Soyuz TMA-12 spacecraft, checking the five locks that attach the return module to the propulsion module, and retrieve a suspect pyrotechnic bolt for inspection by engineers on the ground.

Removing and installing science experiments. They also installed rendezvous equipment for a new Russian module scheduled for launch late summer 2009.

The tasks included: space crane Strela 1 relocation from DC1 to MRM2, using Strela 2, jettison MLI (Multi-Layer Insulation) cover, installing the Strela 1 on MRM2 (to aid future EVAs), stowing Strela 2 at DC1, installing the Vinoslivost Materials Sample Experiment on the DC1, taking a sample from the MLI insulation of the SM to look for any signs of living organisms and collecting one (of two planned) samples from the "Test" experiment.