{"id":41610,"date":"2007-08-31T17:18:40","date_gmt":"2007-08-31T09:18:40","guid":{"rendered":"https:\/\/wp-productionenv-bjg9h2g2bgg5b8aa.southeastasia-01.azurewebsites.net\/news\/et-120-repairs-to-be-completed-this-weekend-sts-120-on-track\/"},"modified":"2007-08-31T17:18:40","modified_gmt":"2007-08-31T09:18:40","slug":"et-120-repairs-to-be-completed-this-weekend-sts-120-on-track","status":"publish","type":"post","link":"https:\/\/starpath.global\/news\/et-120-repairs-to-be-completed-this-weekend-sts-120-on-track\/","title":{"rendered":"ET-120 repairs to be completed this weekend \u2013 STS-120 on track"},"content":{"rendered":"<p>Technicians from the Michoud Assembly Facility (MAF) will finish up the repairs to the four LO2 Feedline brackets this weekend.\n<\/p>\n<p>  The process \u2013 required after X-rays showed cracks in the foam that surrounds the brackets \u2013 will be completed in time to preserve the October 23 launch target for shuttle Discovery\u2019s STS-120 mission.\n<\/p>\n<p><em><img fetchpriority=\"high\" decoding=\"async\" height=\"129\" alt=\"\" hspace=\"5\" src=\"http:\/\/forum.nasaspaceflight.com\/forums\/get-attachment.asp?action=view&amp;attachmentid=13910\" width=\"600\" align=\"left\" vspace=\"5\" border=\"0\/\"><\/em><\/p>\n<p><em>**The most comprehensive collection&nbsp;of&nbsp;Shuttle, Ares, Orion&nbsp;and ISS&nbsp;related presentations and mission documentation, plus expansive daily processing documentation and updates&nbsp;are&nbsp;<font color=\"#0000ff\"><em>available to download&nbsp;on L2<\/em><\/font><font color=\"#0000ff\"><em>&nbsp;**<\/em><\/font><em><font color=\"#ff0000\"><\/font><\/em><\/em><\/p>\n<p>STS-120 build up of documentation in action on L2 \u2013 including major baseline presentations on orbiter and ET-120. Presentations and memos on the ET-120 repair status also available.<\/p>\n<p><em><font color=\"#0000ff\">**LIVE news updates on&nbsp;Endeavour&nbsp;STS-118 Post Flight and STS-123 Processing**<\/font><\/em><\/p>\n<p><em><font color=\"#0000ff\">**LIVE news updates on Atlantis&nbsp;STS-122&nbsp;Processing**<\/font><\/em><\/p>\n<p><em><font color=\"#0000ff\">**LIVE news updates on Discovery&nbsp;STS-120&nbsp;Processing**<\/font><\/em><\/p>\n<p>Space tourism guides<path d=\"M7.59009 18.59L9.00009 20L17.0001 12L9.00009 4L7.59009 5.41L14.1701 12\" style=\"animation: initial !important; background: initial !important; border: 0px !important; box-shadow: none !important; color: inherit !important; cursor: inherit !important; direction: inherit !important; display: inline !important; fill: currentcolor !important; filter: initial !important; float: none !important; margin: 0px !important; opacity: initial !important; outline: 0px !important; overflow: initial !important; padding: 0px !important; stroke: initial !important; transform: initial !important; vertical-align: initial !important; visibility: inherit !important;\"><\/path>Company News<path d=\"M7.59009 18.59L9.00009 20L17.0001 12L9.00009 4L7.59009 5.41L14.1701 12\" style=\"animation: initial !important; background: initial !important; border: 0px !important; box-shadow: none !important; color: inherit !important; cursor: inherit !important; direction: inherit !important; display: inline !important; fill: currentcolor !important; filter: initial !important; float: none !important; margin: 0px !important; opacity: initial !important; outline: 0px !important; overflow: initial !important; padding: 0px !important; stroke: initial !important; transform: initial !important; vertical-align: initial !important; visibility: inherit !important;\"><\/path>Space Technology<path d=\"M7.59009 18.59L9.00009 20L17.0001 12L9.00009 4L7.59009 5.41L14.1701 12\" style=\"animation: initial !important; background: initial !important; border: 0px !important; box-shadow: none !important; color: inherit !important; cursor: inherit !important; direction: inherit !important; display: inline !important; fill: currentcolor !important; filter: initial !important; float: none !important; margin: 0px !important; opacity: initial !important; outline: 0px !important; overflow: initial !important; padding: 0px !important; stroke: initial !important; transform: initial !important; vertical-align: initial !important; visibility: inherit !important;\"><\/path>\n<p>     (adsbygoogle = window.adsbygoogle || []).push({});<\/p>\n<p>Over 1,200mb of Hi Res Extended Launch and Landing video now available to download from L2.<\/p>\n<p><em><u>Article:<\/u><\/em><\/p>\n<p><font face=\"Arial\" size=\"2\"><img loading=\"lazy\" decoding=\"async\" height=\"125\" alt=\"\" hspace=\"5\" src=\"http:\/\/forum.nasaspaceflight.com\/forums\/get-attachment.asp?action=view&amp;attachmentid=9361\" width=\"125\" align=\"left\" vspace=\"5\" border=\"0\/\"><\/font>The X-rays were ordered due to the foam liberation from one bracket during STS-118\u2019s ascent, causing damage to Endeavour\u2019s&nbsp;TPS.<\/p>\n<p>While leaving the tanks as-is was the most likely option in the aftermath of MMT (Mission Management Team) deliberations, the checks \u2013 carried out on both ET-120 at KSC and ET-125 at MAF \u2013 showed signs of cracks in the bracket\u2019s foam. <\/p>\n<p>The decision was promptly made to remove the foam from four of the five LO2 feedline brackets on ET-120, before replacing with new foam, minus the denser debris hazard, SLA (Super Lightweight Ablative). By the latter part of this week, MAF technicians had finished repairs to two of the four brackets. <\/p>\n<p>\u2018Making progress on ET-120 at KSC. Team sprayed two aft stations, 1871 and 1623. Trimming operations (Thursday). Two upper sprays planned (Friday). Team plans to be off tank by September 2,\u2019 noted the latest Stand-Up\/Integration report.<\/p>\n<p>\u2018BX-265 Trim on Bracket XT-1623 &amp; XT-1871 will be continuing today (Friday). Conathane Application on Brackets XT-1129&nbsp;nad XT-1377 was completed yesterday,\u2019 added processing information. \u2018BX-265 Application on Brackets XT-1129 and XT-1377 (stations) will be in work today, with trim scheduled to begin tomorrow.\u2019 <\/p>\n<p><img loading=\"lazy\" decoding=\"async\" height=\"130\" alt=\"\" hspace=\"5\" src=\"http:\/\/forum.nasaspaceflight.com\/forums\/get-attachment.asp?action=view&amp;attachmentid=13815\" width=\"200\" align=\"left\" vspace=\"5\" border=\"0\/\"><font face=\"Verdana\" color=\"#0000ff\"><em>**Ride home through the fire,&nbsp;sparks&nbsp;and plasma of re-entry with Atlantis, Discovery and Endeavour. FOUR&nbsp;Stunning high quality&nbsp;2hr, 355-400mb Camcorder and HUD videos \u2013 from payload bay closure \u2013 through re-entry with a&nbsp;astronaut held camcorder video \u2013&nbsp;to post landing \u2013 several more videos showing landing from 90,000 ft also available**<\/em><\/font><\/p>\n<p>After closer inspections on the brackets, the decision appears to be more than justified, with an image of one of the brackets showing a large visible crack through its SLA area.<\/p>\n<p>\u2018X-ray of LO2 feedline bracket TPS confirmed subsurface cracking in underlying SLA material near feedline attach location at four bracket locations,\u2019 noted Lockheed Martin \u2013 the manufactures of the ETs \u2013 to the all-power PRCB (Program Requirements Control Board) meeting on Thursday, which also noted another item of interest with the brackets \u2013 although that will not require any work.<\/p>\n<p>\u2018Continuing assessment of condensate diverters (small recess machined in TPS),\u2019 added the PRCB report. \u2018Test results show diverters \u2018do no harm\u2019 and provide potential mitigation for gap ice conditions. Implementation will be coincident with trim operations.\u2019 <\/p>\n<p>New timelines show the tank will be transferred from its checkout cell inside the Vehicle Assembly Building (VAB) for mating with the twin Solid Rocket Boosters (SRBs) on either September 4 or 5 \u2013 depending on how the final work proceeds this weekend. With a rollover of Discovery on September 18, the schedule places rollout to Pad 39A for around September 26. <\/p>\n<p>\u2018OPF rollover targeted September 19 based on work in test cell on ET, which is going well. ET mate targeted September 5,\u2019 added the Stand-Up. \u2018May move this up a day, depending on work progress over next 48 hours.\u2019<\/p>\n<p>Discovery herself had her payload bay doors closed ahead of rollover, with the final processing milestones being completed for her flight.<\/p>\n<p>\u2018Prepping vehicle for closeout. Performing radiator inspection in midbody, followed by cleaning. Closing payload bay doors Friday,\u2019 added processing information.<\/p>\n<p>\u2018Working issue with ingress\/egress hatch and window switch issue picked up during last two launch countdowns. Looking at rigging of hatch and whether need adjustments. Want this behind them before rolling out of OPF.\u2019<\/p>\n<p>\u2018Based on Orbiter mate date, will hold Orbiter Rollout Review on September 14.\u2019<\/p>\n<p>NASA and its contractors&nbsp;are due to&nbsp;conduct the Flight Readiness Review (FRR) for STS-120 \u2018most likely be October 9 and 10,\u2019 previewed by September\u2019s MOD (Mission Operations Directive) FRR.<\/p>\n<p><em><font color=\"#0000ff\">L2 members<\/font>: All documentation \u2013 from which the above article has quoted snippets \u2013 is available in full in the related L2 sections, updated live.<\/em><\/p>\n<p><font face=\"Arial\" size=\"2\"><img loading=\"lazy\" decoding=\"async\" height=\"60\" alt=\"\" hspace=\"5\" src=\"http:\/\/forum.nasaspaceflight.com\/forums\/get-attachment.asp?action=view&amp;attachmentid=12993\" width=\"468\" align=\"left\" vspace=\"5\" border=\"0\/\"><\/font><\/p>\n<p><em><font face=\"Arial\" color=\"#0000ff\" size=\"2\">**STARLIGHT: NEW STS-117 MISSION&nbsp;REVIEW&nbsp;MUSIC&nbsp;VIDEO**<\/font><\/em><font face=\"Arial\"><\/font><font size=\"2\"><em> <\/em><\/font><\/p>\n<p><font color=\"#ff0000\">**ROCK YOU LIKE A HURRICANE: BRAND NEW STS-117 MISSION&nbsp;REVIEW&nbsp;MUSIC&nbsp;VIDEO \u2013 AS SEEN BY THE STS-117 CREW!!**<\/font>&nbsp;-.<br \/><font size=\"1\">(<em>Video section is FREE, but you need to sign up as a member of the forum to enter the video section of the site. We only use your e-mail to send you your password. It will not be used for spam etc.)<\/em><\/font><em><\/em><\/p>\n<p><font face=\"Arial\" size=\"2\"><em>**NASASpaceflight.com Job Opportunities**<\/em><\/font><em><font face=\"Arial\" size=\"2\">&nbsp;<br \/><\/font><\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Technicians from the Michoud Assembly Facility (MAF) will finish up the repairs to the four LO2 Feedline brackets this weekend. The process \u2013 required after X-rays showed cracks in the foam that surrounds the brackets \u2013 will be completed in time to preserve the October 23 launch target for shuttle Discovery\u2019s STS-120 mission. **The most [&hellip;]<\/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":[],"class_list":["post-41610","post","type-post","status-publish","format-standard","hentry","category-news"],"acf":[],"_links":{"self":[{"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/posts\/41610"}],"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=41610"}],"version-history":[{"count":0,"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/posts\/41610\/revisions"}],"wp:attachment":[{"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/media?parent=41610"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/categories?post=41610"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/tags?post=41610"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}