What was found
LEFT PACK IS DISCHARGING FOULSMELL. DEBRIEFED INBOUND CREW, REPORTING FOUL SMELL NOT BEING PRESENT ON GROUND OR FLIGHT. NO OIL/GLYCOL CONTAMINATION FOUND, REACTIVATED LH PACK. RAN LH PACK SEPARATELY SEVERAL TIMES WITH APU AIR, NO FOUL SMELL NOTICEABLE. ALSO OPERATED BOTH PACKS ON GROUND WITH APU AIR FOR 20 MINUTES WITH NO FOUL OR BAD SMELL PRESENT. REMOVED STICKER AND REVERSED DMP PROCEDURES, A/C OK TO CONTINUE SERVICE. REF. AMM 21-00-00/201, & 21-22-00/001, REV 143. ADDITIONALLY CARRIED OUT LH PACK TEMP CONTROLLER BITE, FOUND NO FAULTS LOGGED, PACK OPERATION NORMAL. REF FIM 21-51-00, FIG 13/14.