At night from September 5 to September 6, 2009 Astronauts J.Olivas and C.Fuglesang performed the mission's third and final spacewalk. The EVA began at 20:39 UTC. The spacewalkers deployed a payload mounting mechanism, replaced a failed circuit breaker and an orientation sensor, installed GPS antennas and routed long cables for a future module. The EVA lasted 7 hours and 1 minute.
