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\u201cOV-104 \/ ET-136 \/ SRB BI-143 \/ RSRM 111 (Pad A): S0007 Launch Countdown call-to-stations was completed on time and countdown is proceeding per the timeline,\u201d noted the NASA Test Director\u2019s processing reports (L2) during S0007.<\/p>\n
\u201cNew IPR 0041: During Flight Crew equipment stowing ops, a tech inadvertently pulled coax cable apart at the GLMS (part of the lightning protection system) digitizer for MnA monitoring. The associated switch on the panel was taken to the \u201cOFF\u201d position as a safeguard and digitizer was powered down.<\/p>\n
\u201cTroubleshooting plan was to check for any anomalies and investigate obtaining and replacing defective coax cable and reactivating GLMS for MnA bus monitoring, or leave system powered down.\u201d<\/p>\n
The cable was then repaired, along with checks to ensure the system is operational, while the test team decided not to reinstall the GLMS due no lightning forecasted for the remainder of the countdown.<\/p>\n
Space Shuttle models
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SSV (Space Shuttle Vehicle) Pic Resistance test was then completed, followed by the PRSD (Power Reactant Storage and Distributation) load and OMBUU (Orbiter Mid Body Umbilical Unit) securing.<\/p>\n
With all issues cleared, and the MMT conducting a very short meeting \u2013 due to the lack of issues open for discussion \u2013 while out at the pad, SSME (Space Shuttle Main Engines) final preps and TSM (Tail Service Mast) securing was completed.<\/p>\n
Rotating Service Structure (RSS) retract to the park position began one minute ahead of the scheduled 1730 EDT on Thursday, followed by Ascent switch list and Final load preps.<\/p>\n
STS-132 Specific Articles: http:\/\/www.nasaspaceflight.com\/tag\/sts-132\/<\/p>\n
The MMT didn\u2019t come across any constraints that wouldn\u2019t allow for a \u201cGO\u201d to start LO2\/LH2 tanking \u2013 which began on schedule at 0455 EDT, taking around three hours to complete. No issues were noted with tanking during the fill.<\/p>\n
Two new IPRs were noted in the Friday morning NTD report (L2), although one was closed and the other holds no impact in the countdown. A third IPR was noted, relating to a missing ballbearing that was found in the payload bay a few days ago, later \u2013 near the end of the countdown \u2013 believed to be from an onboard camera. This had to undergo a late discussion to clear ahead of launch. <\/p>\n
The next article will follow later today.<\/p>\n
Diligent ET Engineer:<\/p>\n
During Thursday\u2019s L-1 (Day) MMT presser, the NTD\u2019s opening statements praised the large teams involved with preparing Atlantis and her hardware for launch. Those words were more than apt, considering an incident with STS-132\u2019s ET-136 during processing at the Michoud Assembly Facility (MAF) in New Orleans.<\/p>\n
According to STS-132 Flight Readiness Review (FRR) presentations (50 FRR presentations available on L2) for the tank, ET-136 passed through a stage of its production process with four missing fasteners\/bolts from its intertank ring frame.<\/p>\n
![\"\"](\"https:\/\/www.nasaspaceflight.com\/wp-content\/uploads\/2010\/05\/A36.jpg\" "\\"A3\\"")
\u201cET-136 Missing Intertank Mechanical Fasteners: Assessment Item \u2013 Four (4) missing fasteners (0.25\u201d, 26L10 blind huck bolt) not identified during planned inspections at Intertank mechanical final assembly on ET-136. Fasteners common to all Intertank ring frames, 4 of 5 frames had one fastener missing,\u201d noted the FRR presentation.<\/p>\n\u201cBackground: Suspect fastener locations use manual tack fasteners at half section level to install frame outer chords prior to auto rivet operation in Gemcor. Holes for manual tack fasteners located under each stringer and not accessible during auto riveting operation.\u201d<\/p>\n
The observation was only brought to light by an eagle-eyed engineer, who was working on a separate operation in the tank\u2019s production, immediately calling over Quality Control (QC) personnel, leading to an investigation and rework.<\/p>\n
\u201cMissing fasteners identified by technician performing harness installation in final assembly. Combined detailed shop\/QC\/DCMA inspection also performed in Bldg. 420 (visual and tactile),\u201d added the presentation.<\/p>\n
The presentation noted that the four missing fasteners were re-installed into the tank, along with inspections on the other tanks undergoing production (ET-137 \u2013 since shipped for STS-133. ET-138 \u2013 for STS-134 at MAF, and ET-122 \u2013 a completed tank undergoing foam reworks for STS-335, potentially STS-135).<\/p>\n
\u201cStatus: ET-136 nonconformance corrected by rework. Required fasteners were installed. Remaining fleet visually inspected,\u201d the presentation continued. \u201cNo missing fasteners identified (expected result). CAPS initiated to document investigation.\u201d<\/p>\n
It is rare a production error occurs with the highly complex shuttle hardware, but the team\u2019s ability to spot such issues for corrective action, and then list it in the FRR materials, shows both the failsafes and openness in the current SSP (Space Shuttle Program) culture.<\/p>\n
STS-132 FRR Specific Articles: *Click Here*<\/p>\n
![\"\"](\"https:\/\/www.nasaspaceflight.com\/wp-content\/uploads\/2010\/05\/A47.jpg\" "\\"A4\\"")
That FRR process also received praise from SSP manager John Shannon, who singled out the Kennedy Space Center (KSC) engineers who aided the completion of the ceramic plug inspections (another FRR item) \u2013 following observations of missing and loose plugs on a number of recent flights, around the orbiter\u2019s windows, which have a small potential of becoming a debris hazard.<\/p>\n\u201cThe (Agency) FRR last week went as well as it possibly could have. (Mr Shannon) was very proud of the team, working through the ceramic plug issue. The folks at KSC working at the pad, taking all the plugs out and getting all the data \u2013 that is not a comfortable environment,\u201d he noted on the latest Shuttle Standup\/Integration report (L2).<\/p>\n
\u201cIt is hot and buggy up there, and they are doing just an unbelievably professional job getting it all done. He is very proud of that team. He noted that they are doing it for the second or third time on some of those plugs. It is frustrating, but they have the right attitude, and are doing a great job.\u201d<\/p>\n
Mr Shannon also noted that the SSP is \u2013 pending any slight remaining potential of an extension to the manifest \u2013 going out on a high, even if payload issues cause the manifest to slip into 2011.<\/p>\n
\u201c(I) feel that we are going to finish this year really well, and have the potential to slide into next year a little with our current budget,\u201d added Mr Shannon. \u201cAll the hard work that went into all the different activities last week is appreciated. Let\u2019s go fly this week.\u201d<\/p>\n","protected":false},"excerpt":{"rendered":"
Atlantis has launched \u2013 possibily for the final time \u2013 at 14:20:07 EDT on Friday. The Mission Management Team (MMT) meeting on opened Friday\u2019s relatively issue-free countdown by only taking 15 minutes to give a \u201cGO\u201d for tanking of Atlantis\u2019 External Tank \u2013 a tank that became the focus of an investigation during manufacture. Initial […]<\/p>\n","protected":false},"author":1,"featured_media":29524,"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":[3610,3485],"class_list":["post-40781","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-frr","tag-sts-132"],"acf":[],"_links":{"self":[{"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/posts\/40781"}],"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=40781"}],"version-history":[{"count":0,"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/posts\/40781\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/media\/29524"}],"wp:attachment":[{"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/media?parent=40781"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/categories?post=40781"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/tags?post=40781"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}