Posts Tagged ‘STS-133’

no alt

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…

no alt

Discovery/ET-137 Tanking Test complete – Flight Rationale data drive


Engineers have gathering detailed data on the thermal and stress environments of the External Tank’s intertank stringers at the LOX flange and LH2 flange areas, NASA managers completed…

no alt

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…

no alt

STS-133: Tanking Test plan outlined – Rollback to allow for additional ET scans


With unacceptable weather at KSC restricting preparations for STS-133′s Tanking Test, managers decided to delay the test until at least Friday. With the Program Requirements Control Board (PRCB)…

no alt

STS-133: Pad work progressing for next week’s instrumented Tanking Test


Engineers are pressing forward with work relating to next week’s instrumented Tanking Test – a key milestone in gaining data towards the root cause of the cracks found…

no alt

NASA managers realigning ISS manifest following STS-133 slip to February


Following the decision to move Discovery’s STS-133 launch date target to No Earlier Than (NET) February 3, NASA managers have begun realigning the International Space Station (ISS) manifest….

no alt

STS-133: Tanking Test planned – Launch slips to Feb 3, 2011


The all-powerful Program Requirements Control Board (PRCB) met on Thursday to discuss the status of ET-137′s stringer crack root cause, as part of their effort to gain flight rationale for…

no alt

STS-133: Evaluating the concern of stringer foam loss – 2011 launch more likely


The main drive to return ET-137 to flight status is continuing this week, with focus being placed on assurances a stringer defect does not result in foam liberations…

no alt

STS-133: The battle continues for ET-137 flight rationale


Despite the large amount of progress made towards flight rationale – called for in relation to Discovery’s External Tank (ET-137) stringer cracks – teams are heading into another…

no alt

STS-133: NASA managers decide to slip to a NET December 17 target


A Christmas mission may be the cards for Discovery’s final mission, as managers at the Program Requirements Control Board (PRCB) decided against shooting for the early December launch…

no alt

STS-133: ET-137 flight rationale progress – Two launch date options prepared


Progress continues to be made in returning Discovery’s External Tank (ET-137) back to flight status, as nearly all of the physical repairs are completed on what were two…

no alt

NASA Reviews Beta Angle Constraints for STS-133 Launch Date Options


As Shuttle Program engineers continue to work through the final phases of repairs to Discovery’s External Tank Intertank stringers, focus now turns in earnest toward a discussion on…

no alt

STS-133: ET-137 ahead on repairs as Cain dismisses schedule pressure claims


With the focus firmly placed on the repairs, inspections and required flight rationale for the LOX/Intertank flange stringers, hopes have being raised of a positive outcome by the end…

no alt

Shuttle Program Updates Discovery’s December Launch Opportunities


As work continues on Discovery’s External Tank’s (ET) Intertank stringers, Space Shuttle Program (SSP) managers are refining Discovery’s (STS-133′s) December launch opportunities – which include the extension of…

no alt

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…

no alt

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…

no alt

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…

no alt

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,…

no alt

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…

no alt

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…