NASA: New pump resolves big space station leak - FOX 35 News Orlando

NASA: New pump resolves big space station leak

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By MARCIA DUNN
AP Aerospace Writer

CAPE CANAVERAL, Fla. (AP) -- NASA says an impromptu spacewalk seems to have fixed a big ammonia leak at the International Space Station.
 
The "gusher" erupted last Thursday. Two days later, spacewalking astronauts replaced a suspect ammonia pump. NASA is now calling the old, removed pump "Mr. Leaky."
 
On Thursday, a Mission Control official said the spacewalking repairs definitely took care of the big leak. Engineers don't know whether the pump replacement also took care of a smaller leak that has plagued the system for years. It will take at least a couple months of monitoring to know the full status.

Ammonia is used as a coolant in the space station's radiator system.
 
The leak forced one of the station's seven power channels to go offline. NASA hopes to resume normal operations early next week.

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