Pedzisa mutsara unotevera: Kuzadza peturu yetangi rokunze re"Discovery" mukugadzirira kuvhurwa kwakatanga na 11:50 GMT. Pakazosvika 12:50, zvakanga zvasimbiswa kuti kuedza kwokutanga kweEngine Cutoff (ECO) sensors muExternal Tank kwakanga kwaitwa zvinobudirira. Kukundikana kweECO sensors kwakanga kwakonzera kunonoka kwakati wandei mukuedza kwekutanga kweShuttle, uye STS-124 ndiyo yekutanga basa rekushandisa tangi rakagadziridzwa, iro rinotarisirwa kubvisa zvikanganiso zvakadaro. Panguva yakatanga kuzadzwa mafuta, vanoona nezvemamiriro okunze vakafanotaura kuti paiva nomukana we80 muzana wokuti mamiriro okunze aizoita zvakanaka panguva yaizotanga kuvhurwa. Kuisa mafuta kwakapedzwa, uye kuzadza upfu hwecryogenic propellant kwakatanga, na15:36. Mukuwedzera kune ECO sensor shanduko, iyi yaive yekutanga basa kushandisa External Tank rakagadzirwa mushure me
"Columbia" tsaona muna 2003, uye naizvozvo tangi rokutanga kuva zvose kuchengeteka enhancements yakavakwa mariri, pane retrofitted.