Space Shuttle “Endeavour” Mission: STS-134 Launch 4/29

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Endeavour Launch Scrubbed
Fri, 29 Apr 2011 12:18:33 PM EDT

Shuttle Launch Director Mike Leinbach has scrubbed today's STS-134 launch attempt because of an issue associated with Auxiliary Power Unit 1 heaters. There will be at least a 48-hour scrub turnaround while engineers assess the issue.