Latest International Space Station maintenance Stories

ISS Replacement Pump Successfully Restarted
2013-12-25 08:09:21

NASA Following two spacewalks to replace a degraded pump module on the truss, or backbone, of the International Space Station, flight controllers in the Mission Control Center at NASA's Johnson Space Center in Houston successfully restarted the new pump Tuesday night. The pump module controls the flow of ammonia through cooling loops and radiators outside the space station, and, combined with water-based cooling loops inside the station, removes excess heat into the vacuum of space....

ISS Spacewalk May Be Needed To Fix Faulty Cooling Pump
2013-12-16 07:04:14

Lawrence LeBlond for redOrbit.com - Your Universe Online The crew of Expedition 38 was busy on Sunday preparing their spacesuits for a possible extra-vehicular activity (EVA) mission to fix a failing coolant system that was first discovered last Wednesday outside the International Space Station (ISS). One of two ammonia cooling systems on the US side of the orbiting complex shut down unexpectedly on Wednesday, December 11, after a problem developed with a valve inside a pump located...

Cygnus Launch May Be Delayed Due To Ongoing Coolant Issue On ISS
2013-12-13 06:59:12

redOrbit Staff & Wire Reports - Your Universe Online NASA is still evaluating the International Space Station (ISS) cooling issue that forced a partial shutdown of the facility, but officials with the agency told reporters Friday that a faulty valve in an external pump is the most likely culprit. According to Gina Sunseri of ABC News, NASA officials have multiple teams working on a solution to the issue. Known as “tiger teams,” these units will present their findings to the...

Space Station In Partial Shutdown Due To Coolant Leak
2013-12-12 04:51:30

[ Watch the video: Space Station Cooling Loop Update ] redOrbit Staff & Wire Reports - Your Universe Online A malfunction and potential coolant link on the International Space Station (ISS) forced the crew to disable some non-critical systems, the Associated Press (AP), the Washington Post and other media outlets have reported. “Earlier Wednesday, the pump module on one of the space station’s two external cooling loops automatically shut down when it reached pre-set...

NASA Says Ammonia Leak All Plugged Up
2013-05-17 11:44:30

Lee Rannals for redOrbit.com — Your Universe Online According to the Associated Press, NASA confirmed on Thursday that the ammonia leak its astronauts fixed on the International Space Station last week is officially plugged up. Astronauts aboard the space station had to quickly repair the leaky pump during an impromptu spacewalk over the weekend. The leak forced one of the station's seven power channels to go offline. "Right now, we're feeling pretty good. We definitely got...

ISS Astronauts Successfully Replace Leaky Pump During Saturday Spacewalk
2013-05-12 08:05:47

redOrbit Staff & Wire Reports — Your Universe Online A pump controller box on the International Space Station´s far port truss (P6) believed to have been leaking ammonia coolant was inspected and replaced during a five-hour, 30-minute spacewalk on Saturday afternoon. According to NASA, Expedition 35 Flight Engineers Chris Cassidy and Tom Marshburn successfully completed the spacewalk at 1:14 pm CDT. They set out at 7:44 am CDT, and slightly over two and one-half hours...

Ammonia Leak Discovered On Space Station, NASA Reroutes Power Systems
2013-05-10 10:45:49

LISTEN TO AUDIO: [Commander Hadfield Reports Leak] | [Doug Wheelock Updates Status Of Leak] | [Crew Discusses Possible Spacewalk] Lawrence LeBlond for redOrbit.com - Your Universe Online Update (May 10 @ 10:45 a.m.) NASA said in an updated statement this morning that Expedition 35 crew will begin preparing for a potential spacewalk on Saturday to troubleshoot and possibly fix the ammonia leak discovered yesterday. A final decision on an external mission of the Space Station is not...

Expedition 33 Crew Complete Six Hour Plus Spacewalk
2012-11-02 06:26:56

Lawrence LeBlond for redOrbit.com - Your Universe Online Expedition 33 Commander Sunita Williams and Flight Engineer Akihiko Hoshide completed a scheduled spacewalk on Thursday (Nov. 1). The mission, which began at 8:29 a.m. EDT, was scheduled to repair an ammonia leak on the International Space Station´s (ISS) port side truss. Williams and Hoshide ventured outside the station to configure the 2B solar array power channel´s photovoltaic thermal control system (PVTCS) to allow...

Word of the Day
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This word ultimately comes from the Medieval Latin 'cappa,' cloak.