Posts Tagged ‘GUCP’

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Shuttle Scrubber: SLS working to avoid GUCP leaks


With a deep heritage between the Shuttle’s External Tank and the Space Launch System (SLS) Core Stage, a NASA team recently evaluated recommendations to mitigate against leaks of…

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STS-134 Agency FRR approves April 29 launch – Storm damage evaluations


Managers at the Agency Flight Readiness Review (FRR) have – as expected – approved April 29 as the launch date for STS-134. The meeting also discussed the health…

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STS-133: GUCP to be disassembled at pad – SRBs into hyper loading tasks


With just over two weeks to launch, engineers will disassemble the Ground Umbilical Carrier Plate (GUCP) at the pad, after it was noted the troublesome hardware failed a…

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STS-133: Discovery arrives back inside VAB – GUCP investigation results


Discovery’s return to the Vehicle Assembly Building (VAB) – in order to gain extra data on the health of the stringers on areas of her tank (ET-137) which…

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STS-133: ET-137 ready for Friday’s Tanking Test – GUCP to be monitored


Pending acceptable weather conditions on Friday, all systems are go for ET-137′s Tanking Test – a key milestone in the effort to gain data on both the health…

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STS-133: Managers discussing numerous options – NET slips to December 3


With numerous repair operations ongoing with Discovery’s External Tank (ET-137), managers are creating a number of options to provide some additional flexibility in launching STS-133. As part of…

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STS-133: Preliminary plan for six day countdown and Tanking Test discussed


Providing Discovery’s External Tank (ET-137) can be repaired and cleared for flight in time for the upcoming launch window, managers have created a preliminary plan for a Tanking…

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STS-133: More cracks found on ET-137 as managers debate forward plan


Two more cracks has been found on a stringer adjacent to the two original cracks on Discovery’s External Tank (ET-137). The latest crack was found on the far…

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STS-133: Closing in on GUCP root cause – ET repair at pad still positive


Concentricity measurements on the removed flight seal on the Ground Umbilical Carrier Plate (GUCP) have found at least one of the potential root causes for last Friday’s leak,…

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STS-133: Structural defect/cracks found under foam damage on ET-137


While troubleshooting on the Ground Umbilical Carrier Plate (GUCP) saw the flight seal removed on Wednesday, engineers have been removing the cracked foam from Discovery’s damaged Thermal Protection…

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STS-133: Plan under development to repair ET-137 foam cracks at the pad


As access platforms are set up for engineers to begin the removal of the hardware associated with the Ground Umbilical Carrier Plate (GUCP), a large effort to build…

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STS-133 GUCP root cause to benefit from STS-119/127 investigation


As engineers prepare to take a close look at the Ground Umbilical Carrier Plate (GUCP) at the center of STS-133′s scrub on Friday, a pool of knowledge will…

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Bad weather scrubs fifth attempt for STS-127 – GUCP investigation results


Shuttle orbiter Endeavour was again ready to launch to the International Space Station. However, poor weather again put pay to the fifth launch attempt for STS-127, moving launch…

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ET-131 Tanking Test success – STS-127 now officially tracking launch on July 11


STS-127′s External Tank (ET-131) has completed a tanking test onĀ the realigned Ground Umbilical Carrier Plate (GUCP) and a two-part seal, with no leaks detected. As a result, NASA…

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ET-131 repair proceeding to plan – confidence root cause has been found


Preparations for next Wednesday’s tanking test are proceeding well, with the flight seal now replaced ahead of weekend work to reinstall the Quick Disconnect (QD) on the Ground…

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STS-127 Tanking Test set for next Wednesday – GUCP repair work begins


Managers have set next Wednesday morning for a full-up tanking test of External Tank ET-131 to test a potential solution to the leaking Ground Umbilical Carrier Plate (GUCP)….

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STS-127: Don’t worry about the schedule, let’s fix the problem – Cain


Endeavour will launch only when engineers are happy they have a full understanding of the Ground Umbilical Carrier Plate (GUCP) leak, even if that means slipping STS-127 past…

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SCRUB: STS-127 suffers another GUCP leak – Launch moves to NET July 11


STS-127 has been scrubbed for the second time due to another leak at theĀ Ground Umbilical Carrier Plate (GUCP). The leak, first registered as within an acceptable range, before…

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STS-127 wins range priority for June 17 – GUCP investigation latest


Endeavour has won the right to make a launch attempt on June 17 (Wednesday), following NASA discussions relating to the schedule priorities of the Eastern Range. The decision…

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GUCP troubleshooting continues as MMT push for launch on June 17


In a similar event to STS-119′s scrub, Endeavour’s launch has been delayed due to a significant leak registered in the region of the Ground Umbilical Carrier Plate (GUCP)….