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[b]Second pump module repair spacewalk ends[/b]
Repressurization of the Quest airlock began at 2:53 p.m. CDT, ending today's spacewalk by Doug Wheelock and Tracy Caldwell Dyson seven hours and 26 minutes after it began.
Wheelock and Caldwell Dyson have now logged a total of 15 hours and 29 minutes over the course of two spacewalks working to repair the International Space Station's Loop A coolant system. The pair have planned at least one more spacewalk to complete replacing the ammonia coolant pump module that failed on July 31.
The spacewalkers today successfully removed and stowed that failed pump and began configuring its replacement.
Today's spacewalk was the 149th devoted to space station assembly and maintenance since 1998, the 241st by U.S. astronauts, and the 338th in history.
Earlier targeted for Sunday, the next spacewalk has been postponed one day to Monday to provide an additional day of rest for the crew and flight controllers.
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