What was found
ON APPROCH @ 2500FT ,DIRTY SOCK SMELL. ABLE TO ISOLATE PACK 1 OFF. -REF TSM 05-50-00-810-831 RAN BOTH PACKS ON APU BLLED ISOLATED PACKS,NO SIGN OF CONTAMINATION,PERFORMED DECONTAMINATI0ON OF ECS IAW AMM 21-00-00.NO SMELL NOTED AFTER CONTAMINATION. A/C OK FOR CONTINUED SVC