From NYT:

"Space Station Malfunction Prompts Shutdowns
By WILLIAM HARWOOD
Published: August 1, 2010


One of two coolant systems aboard the International Space Station
malfunctioned late Saturday, triggering alarms and extensive power
shutdowns to keep critical systems from overheating. [...]"
http://www.nytimes.com/2010/08/02/science/space/02shuttle.html

(Heard this on news radio, but couldn't find it on MSNBC's site yet.)

/dps