▁day , ▁Commander ▁Fer g us on ▁and ▁Pil ot ▁Hur ley ▁also ▁spent ▁some ▁time ▁working ▁to ▁successfully ▁repair ▁the ▁door ▁that ▁gives ▁the ▁crew ▁access ▁to ▁the ▁Li OH ▁can ister s . ▁Mission ▁Special ist ▁Magn us ▁spent ▁about ▁an ▁hour ▁and ▁a ▁half ▁in ▁the ▁morning ▁taking ▁micro b ial ▁air ▁samples ▁on ▁various ▁locations ▁in ▁the ▁space ▁station . ▁The ▁collected ▁samples ▁will ▁be ▁returned ▁for ▁study ▁and ▁further ▁analysis . ▁Magn us ▁also ▁worked ▁the ▁Japanese ▁Ex periment ▁Module ▁Rem ote ▁Man ip ulator ▁System ▁( J EM R MS ). ▁Mission ▁Special ist ▁Wal heim ▁along ▁with ▁station ▁crew ▁member ▁Mike ▁F os sum ▁continued ▁work ▁with ▁space walk ing ▁equipment ▁in ▁the ▁Qu est ▁air lock . ▁Some ▁of ▁them ▁will ▁be ▁left ▁on ▁the ▁station , ▁and ▁will ▁be ▁util ized ▁during ▁an ▁up coming ▁Russian ▁space wal ks ▁on ▁ 3 ▁August ▁ 2 0 1 1 . ▁Hur ley ▁working ▁with ▁station ▁crew ▁member ▁Ron ▁Gar an ▁stored ▁some ▁of ▁the ▁cargo ▁in ▁Atl ant iss ▁mid deck ▁to ▁be ▁returned . ▁Since ▁no ▁astr onaut ▁was ▁r iding ▁in ▁the ▁mid - deck ▁on ▁the ▁way ▁back , ▁it ▁was ▁expected ▁to ▁be ▁fully ▁pack ed ▁with ▁ 1 5 6 4 ▁pounds ▁of ▁cargo . ▁Among ▁cargo ▁brought ▁to ▁the ▁space ▁station , ▁ 2 2 8 1 ▁pounds ▁were ▁also ▁in ▁the ▁mid - deck . ▁ ▁The ▁ST S - 1 3 5 ▁crew ▁also ▁provided ▁a ▁recorded