Station Crew Performs Maintenance and Science, Preps for STS-131

(NASA) - After three light-duty days, the Expedition 22 crew members aboard the International Space Station got back to a regular work schedule Thursday, focusing on maintenance, science and preparations for the arrival of the next space shuttle mission.

After the crew disconnected and reconnected valves in the system, the Urine Processing Assembly operated successfully after a leak was detected in the plumbing during STS-130. The maintenance work performed over the past few days has restore [...]

Full story at http://spacefellowship.com/news/art18775/station-crew-performs-maintenance-and-science-preps-for-sts-131.html