Headlines > News > STS-127 Astronauts Conduct Third Spacewalk

STS-127 Astronauts Conduct Third Spacewalk

Published by Klaus Schmidt on Thu Jul 23, 2009 9:15 am via: source
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(NASA) – The third spacewalk outside the International Space Station ended Wednesday after five hours, 59 minutes when a potential problem occurred with the carbon dioxide scrubbing device on one of the spacewalker’s suits concerned flight controllers in Mission Control.

Mission specialists Dave Wolf and Chris Cassidy began the STS-127 mission’s third spacewalk at 10:32 a.m. EDT and ended it at 4:31 p.m. when Cassidy’s CO2 levels increased more than expected as the two were in the midst of installing six new batteries used to absorb solar energy for electricity production when the station is not in sunlight.  While there was no immediate danger to Cassidy, rules called for termination of the spacewalk. They completed two battery installations before ending the spacewalk. The remainder will be installed during the fourth spacewalk Friday.

To prepare for the P6 Truss battery swap out, STS-127 Pilot Doug Hurley and Mission Specialist Julie Payette used the station’s robot arm to move the Integrated Cargo Carrier securing the batteries to the worksite.

The spacewalkers removed insulation covers from the Kibo module and readied the Japanese Exposed Section payloads for their transfer to the Exposed Facility on Thursday.

STS-127 Commander Mark Polansky (right) and Expedition 20 Commander Gennady Padalka take a break from a busy agenda onboard the International Space Station. Photo credit: NASA

STS-127 Commander Mark Polansky (right) and Expedition 20 Commander Gennady Padalka take a break from a busy agenda onboard the International Space Station. Photo credit: NASA

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