Flight Engineer Donald R. Pettit performs IFM on the TVIS in the SM during Expedition Six

ISS006-E-18234 (7 January 2003) --- Astronaut Donald R. Pettit, Expedition 6 NASA ISS science officer, performs in-flight maintenance (IFM) on the Treadmill Vibration Isolation System (TVIS) in the Zvezda Service Module on the International Space Station (ISS).