▁M PL M ▁on ▁the ▁nad ir ▁port ▁of ▁the ▁station ' s ▁Harm ony ▁module . ▁The ▁crew ▁started ▁their ▁day ▁in ▁space ▁at ▁ 7 : 0 2 . ▁The ▁song ▁T ub th ump ing ▁by ▁Ch umb aw amba ▁was ▁played ▁to ▁w ake ▁the ▁astr onaut s ▁up . ▁Mission ▁Special ist ▁Sand ra ▁Magn us , ▁along ▁with ▁Pil ot ▁Doug ▁Hur ley , ▁used ▁the ▁Canad arm 2 , ▁beginning ▁at ▁ 9 : 0 9 ▁UTC , ▁to ▁remove ▁the ▁R aff a ello ▁module ▁from ▁the ▁payload ▁bay ▁of ▁Atl ant is . ▁The ▁two ▁installed ▁the ▁M PL M ▁on ▁the ▁Harm ony ▁node ▁at ▁ 1 0 : 4 6 ▁UTC . ▁After ▁leak ▁checks , ▁h atch es ▁between ▁R aff a ello ▁and ▁the ▁I SS ▁were ▁opened ▁before ▁no on . ▁ ▁Because ▁Atl ant is ▁launched ▁on ▁time ▁with ▁a ▁full ▁load ▁of ▁on board ▁consum ables ▁for ▁its ▁electric ity - gener ating ▁fuel ▁cells , ▁and ▁due ▁to ▁power ▁saving ▁operations ▁employed ▁during ▁the ▁first ▁three ▁days , ▁on ▁Fl ight ▁Day ▁ 4 , ▁NASA ' s ▁man agers ▁approved ▁a ▁one - day ▁mission ▁extension . ▁According ▁to ▁NASA , ▁the ▁mission ▁was ▁extended ▁primarily ▁to ▁allow ▁the ▁crew ▁spend ▁more ▁time ▁on ▁cargo ▁trans fers . ▁C AP COM ▁Meg an ▁Mc Ar thur ▁also ▁not ified ▁commander ▁Chris ▁Fer g us on ▁that ▁the ▁Mission ▁Management ▁Team ▁determined ▁had ▁decided ▁not ▁to