What was found
FAS SMELLED MUSKY, SOUR, WET CLOTHES LIKE SMELL TOWARDS THE BOTTOM OF DESCENT BEGINNING OF THE APPROACH-TROUBLESHOOTING DONE IAW TSM 05-50-00-810-831-A TO ISOLATE ODOR FOLLOWED BY LEVEL A DECONTAMINATION OF THE ECS IAW AMM 21-00-00-615-802-A. ODOR NO LONGER PRESENT , A/C NOW OK FOR SERVICE. MOC # 69159 DESCRIPTION OF ODOR/FUMES: DIRTY SOCKS, MUSTY DRY, BODY ODOR/BIOHAZARD. TEMPORARY. APPARENT CABIN SOURCE: CABIN AIR SUPPLY VENTS. FWD CABIN/GALLEY (LAV), AFT CABIN/GALLEY (LAV). NO VISIBLE SMOKE/HAZE. NO MEDICAL ATTENTION REQUIRED.