Posts Tagged ‘STS-128’

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Discovery launches after smooth countdown


With the clearance of the PV12 Inboard LH2 Fill and Drain Valve issue  by the Mission Management Team (MMT) – which ironically performed as planned during tanking - Shuttle…

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STS-128 held a further 24 hours for PV12 data gathering


Engineers still believe they only have an instrumentation problem with the LH2 PV12 Inboard Fill and Drain Valve on Discovery, but further data is required – resulting in…

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STS-128: PV12 troubleshooting begins ahead of MMT launch decision


The push to return Discovery back to launch operations has begun, with initial troubleshooting via five test cycles of the LH2 inboard fill and drain valve at the…

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SCRUB: Second STS-128 launch attempt scrubbed due to valve issue


Discovery was undergoing S0007 Launch Countdown Scrub Turnaround procedures, with the goal to launch on Wednesday morning at 1:10am local time. However, during tanking, the PV12 (pneumatic valve) failed…

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STS-128 Scrubbed due to unacceptable weather – 24 hour turnaround


Unacceptable weather over the Kennedy Space Center (KSC) has caused the scrub of STS-128 for 24 hours. NASA managers had worked through a few minor last-minute issues with Discovery…

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L-2 MMT passes Discovery to move into final launch preps


With Discovery deep into S0007 (Launch Countdown) operations, the Mission Management Team (MMT) has passed STS-128 to proceed towards the business end of the count – with the…

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STS-128: Launch Countdown operations begin for Discovery


STS-128 entered into S0007 (launch countdown) operations at 11pm on Friday evening, as engineers at Launch Pad 39A are nearly complete with both standard and non-standard pre-launch processing…

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STS-128 confirmed for August 25 – RSRM and SRB performance reviewed


With STS-128 and Discovery officially cleared by the SOMD (Space Operations Mission Directorate) FRR for an opening launch attempt on Tuesday, August 25 at 1:36A.M. EDT, NASA’s ongoing…

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STS-128: FRR working through to foam loss risk acceptance


The Agency Flight Readiness Review (FRR) is still expected to slip STS-128′s launch date by one day – to August 25 – due to additional pad flow work…

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Discovery to debut new OI-34 flight software and new operations


At last week’s Space Shuttle Program (SSP) FRR, program managers discussed a wide range of topics, including Weather Satellite limitations, the Boundary Layer Transition DTO (Detailed Test Objective),…

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STS-128: Engineers successfully troubleshoot Main Bus Controller issue


As managers prepare their External Tank findings for the Agency Flight Readiness Review (FRR), engineers out at Pad 39A have through what is being described as a significant issue related…

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SSP FRR outlines mission specifics for Discovery and STS-128


As STS-128 tracks an August 24 launch date – pending final clearance of the Ice Frost Ramp foam liberation concern – the Space Shuttle Program Flight Readiness Review…

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STS-128: SSP FRR creates opening rationale for IFR acceptance


The LO2 Ice Frost Ramps (IFRs) will be modified to mitigate against foam liberation – pending design verification – from ET-133 onwards. However, ET-132 has gained the opening…

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STS-128: Managers head into FRR debate – Void in suspect IFR highlighted


The Space Shuttle Program (SSP) Flight Readiness Review (FRR) heads into a two day meeting on Tuesday, with the focus on the status of ET-132′s Ice Frost Ramps…

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Risk assessment debate for STS-128 tank – Rollback is a potential option


Meetings are taking place through Friday to work on risk acceptance for two LO2 Ice Frost Ramps (IFRs) on Discovery’s External Tank (ET-132), following a full review of…

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STS-131: Discovery’s processing flow mapped out for STS-128 return


With Discovery deep in preparations for her STS-128 mission, shuttle managers are already mapping out the processing flow for her STS-131 flight – allowing for a smooth transition…

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CVFA work begins on Discovery – SSP told to focus amid Augustine Review


Work has started on replacing the Check Valve Filter Assembly (CVFA) and associated hardware on Discovery’s left hand Solid Rocket Booster (SRB), as engineers continue to evaluation potential…

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Discovery completes dramatic rollout – Unique SRB repairs to take place at Pad


With around three weeks until the launch of STS-128, Discovery has finally arrived at Pad 39A, following a dramatic 10 hour-plus rollout on Tuesday. Once at the pad,…

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Understanding ET-131′s rogue foam liberations leads to ET-132 confidence


Although no ill effects were suffered by Endeavour, the problems with her External Tank (ET-131) – both prior and during last month’s launch – called for investigations into…

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Endeavour tracking KSC return on Friday – TPS cleared for entry


STS-127 is coming to the end of another highly successful mission for the shuttle program, as the crew prepare for one of two attempts to land at the…