What was found
FA REPORTED DIRTY SOCKS SMELL IN AFT CABIN AT APROX 4000 FT ON APPROACH. WE SHUT PACK 2 OFF FA SAID SMELL WAS GONE WITHIN 2 MINS. DESCRIPTION OF ODOR/FUMES: TEMPORARY, DIRTY SOCKS SMELL. APPARENT CABIN SOURCE: UNKNOWN AFT CABIN. NO VISIBLE SMOKE/HAZE. NO MEDICAL ATTENTION REQUIRED.-PER GMM 30.40.3 THIS EVENT CLASSIFIES AS STAGE 1 NO HISTORY IN LAST 30 DAYS..PER DECESION TABLE IN TSM 05-50-00-869-051-A THIS EVENT IS CLASSIFIED AS TYPE 1 LEVEL A. INSPECTED APU PER AMM 49-00-00 WITH NO FINDINGS. PERFORMED LEVEL A ECS DECONTAMINATION PER AMM 21-00-00. NO ODOR PRESENT AT THIS TIME.