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Only two Interim Problem Reports (IPRs) were listed during the recent flow, both minor \u2013 although one caused the master alarm to sound on Endeavour.<\/p>\n
\u201cPower supply dropped off line causing the cabin fan to stop, resulting in a master alarm,\u201d added the NTD report. \u201cCooling was re-established. In addition, power supply also dropped off line. Power supplies were brought back on line and vehicle cooling was balanced. There were no power transients reported. Test project engineering is investigating further into potential causes.\u201d<\/p>\n
STS-130 Specific Articles: http:\/\/www.nasaspaceflight.com\/tag\/sts-130\/<\/p>\n
With the completion of S0008 operations, Endeavour has been powered down for an extended stay in the VAB, ahead of a planned rollout to Pad 39A on January 6.<\/p>\n
NASA mission updates
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\u201cOrbiter\/SRB final VAB power down. The stack is configured for rollout and the holiday break,\u201d added the processing information. \u201cHeaters will be configured and the hatch will be left open.\u201d<\/p>\n
While the decision to leave the STS-130 housed in the VAB over the holidays benefits the workforce\u2019s schedule over Christmas, Mission Management Team (MMT) chair Mike Moses explained the extended VAB stay mainly related to the scheduled maintenance at the launch pad, which involve a period of power outage.<\/p>\n
![\"A2\"](\"https:\/\/www.nasaspaceflight.com\/wp-content\/uploads\/2009\/12\/A27.jpg\" "\\"A2\\"")
\u201cThe decision to leave Endeavour in the VAB was much simpler than just the workforce holiday debate. While we don\u2019t have the all the purge and environmental conditioning equipment in the VAB as we do at the pad, we conduct periodic maintenance on the major working areas out here,\u201d said Mr Moses in an interview with NASASpaceflight.com\u2019s Chris Gebhardt.<\/p>\n\u201cEach year, during the Christmas\/New Years holiday we shut down power to one of three areas \u2013 like the industrial area, complex 39, and the management district. We rotate through these areas each year. This year, we\u2019re conducting that maintenance on the Complex 39 area. So, instead of hauling electrical generators and various other equipment out to the pad to compensate for the power outage, it was simpler to just leave Endeavour in the VAB until after the holiday season.\u201d<\/p>\n
\u201cIn terms of the negative effects of humidity on the payload bay doors, that is a concern. But since December is such a low humidity month, our projections are that the amount of moisture the payload bay doors will absorb during Endeavour\u2019s stay in the VAB won\u2019t drive a longer pad flow cycle.<\/p>\n
\u201cIn fact, there\u2019s plenty of margin in the pad flow to accommodate the extra time \u2013 which isn\u2019t much additional time \u2013 the environmental conditioning of the payload bay doors to remove any excess moisture will take.\u201d<\/p>\n
Once engineers and managers return in the New Year, STS-130 will hit several milestones from a paperwork standpoint, with the MOD 8th Floor status update this week confirming the STS-130 SSP (Space Shuttle Program) FRR (Flight Readiness Review) scheduled for January 19th and 20th with the Level 1 FRR at KSC on January 27th.<\/p>\n
Launch Date:<\/p>\n
![\"A3\"](\"https:\/\/www.nasaspaceflight.com\/wp-content\/uploads\/2009\/12\/A36.jpg\" "\\"A3\\"")
The 8th Floor also pre-empted Thursday\u2019s PRCB review of the launch date, noting it \u201cwill be updated to February 7th at the December 17th PRCB.\u201d That \u2013 and a change in mission duration \u2013 was confirmed via the related PRCB presentation.<\/p>\n\u201cApprove CR (Change Request) to update the STS-130 Flight Definition and Requirements Document (FDRD) launch date to 02\/07\/10 and the mission duration to 13+1 days,\u201d prefaced the overview presentation, available on L2.<\/p>\n
The reason for the change of launch date related to the range availability, while the refinement of the mission duration allows for the work of relocating PMA-3 (Pressurized Mating Adaptor) to be conducted during the mission.<\/p>\n
\u201cRationale of Change Request: Launch date moved 3 days to satisfy conflict with range availability. Additional docked day is required to perform PMA-3 relocation during STS-130 mission,\u201d the presentation added. \u201cImpacting the Feb 4 launch date is the fact that the Russian 36P docks with ISS on Feb 6 and Atlas has the range thru the Feb 4 launch date.<\/p>\n
![\"A4\"](\"https:\/\/www.nasaspaceflight.com\/wp-content\/uploads\/2009\/12\/A45.jpg\" "\\"A4\\"")
\u201cPMA-3 relocation approved at 12\/15\/09 SSPCB (Space Shuttle Program Control Board). Required clearance analysis in work, deemed low risk. FD5 Node 3 post install to Node 1 Port photogrammetry to validate dynamic clearance.<\/p>\n\u201cCurrent products have been built for a 12+1+2 mission. The Flight Directors have directed that the timeline be developed for a 13+1+2 mission to accommodate relocation of the PMA3 and other IV tasks. If 13+1+2 (was) not approved, providing the extra docked day, current mission objectives cannot be met.\u201d<\/p>\n
Managers at the PRCB approved the changes, along with notes on the processing flow impacts \u2013 or \u201cpinch points\u201d for the downstream missions, with five flights currently packed closely together on the manifest.<\/p>\n
\u201cCurrent STS-130 launch date of February 4, 2010 cannot be supported. STS-130 ground processing currently supports a Feb 4 or later launch date. Downstream manifest assessment has identified some potential pinch points to monitor with a 2\/7 STS-130 launch date,\u201d the presentation continued.<\/p>\n
\u201cPad A post STS-130 launch turn around is currently 12 days, this will be reduced to 9 days before SSV (Space Shuttle Vehicle) Pad Roll Out of STS-131. IFA (In Flight Anomaly) resolution becomes a factor if trouble shooting requires access to vehicle areas that are not accessible at Pad A.<\/p>\n
\u201cSTS-131 will be at the Pad at the time of STS-130 landing. MLP2 (Mobile Launch Platform) turn around from STS-130 and SRB stacking will be a critical path for STS-132.\u201d<\/p>\n
With managers satisfied with the CR, they moved to \u201cApprove CR to adjust STS-130 launch date from 02\/04\/10 to 02\/07\/10 and adjust mission duration from 12+1 to 13+1 days,\u201d at the Thursday PRCB meeting.<\/p>\n
L2 members<\/em><\/em>: Documentation \u2013 from which the above article has quoted snippets \u2013 is available in full in the related L2 sections, now over 4000 gbs in size<\/em><\/em><\/p>\n","protected":false},"excerpt":{"rendered":"
Mating operations have been completed in the Vehicle Assembly Building (VAB) ahead of an extended stay for Endeavour as the STS-130 stack, with the orbiter now powered down for the Christmas holidays. Meanwhile, the Program Requirements Control Board (PRCB) approved a Change Request (CR) to officially target STS-130 on a February 7 launch date, whilst […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":"","_links_to":"","_links_to_target":""},"categories":[2],"tags":[9183],"class_list":["post-40912","post","type-post","status-publish","format-standard","hentry","category-news","tag-sts-130"],"acf":[],"_links":{"self":[{"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/posts\/40912"}],"collection":[{"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/comments?post=40912"}],"version-history":[{"count":0,"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/posts\/40912\/revisions"}],"wp:attachment":[{"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/media?parent=40912"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/categories?post=40912"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/tags?post=40912"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}