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Message: <blockquote data-quote="lkdood" data-source="post: 4178740" data-attributes="member: 92282">update:Tank Topped Off, No Leak FoundSun, 15 Mar 2009 04:28:59 PM GMTLaunch controllers found no signs of a leak when they opened the valve that releases evaporating hydrogen from Discovery.s external fuel tank into a system that carries it safely away from the shuttle. With the fueling of the tank going well, the countdown is proceeding toward an on-time liftoff of Discovery on STS-119 this evening at 7:43 p.m. The vent line controllers are watching was repaired following a leak that developed during Wednesday.s fueling. That countdown was called off so technicians could inspect and repair a valve on the vent line. The vent line connects to the external tank during the countdown and falls away when the shuttle lifts off. The weather forecast remains at an 80 percent chance of acceptable conditions at launch time.</blockquote>

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