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Saturday, April 30, 2011

NASA to decide Endeavour launch date today

NASA may decide today whether the delayed final launch of the space shuttle Endeavour will occur Monday afternoon, the space agency said.

If the problem can be isolated to an open circuit in a suspect thermostat, a replacement possibly could be installed in time to support a second launch attempt Monday, at 2:34 p.m. EDT. But if the problem is traced to the aft load control assembly avionics box that routes power to the heaters, launch likely would be delayed until at least May 8, reports SpaceflightNow.

If a Monday launch is possible, the countdown would resume at 10:07 p.m. Sunday. Fueling would begin at 5:09 a.m. Monday and the crew would begin strapping in at 11:14 a.m. to await launch at 2:34 p.m. EDT.

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