What was found
FLT # 1827, EWR-MCO. MODERATE DIRTY SOCKS SMELL IN ROUTE ; T/S PER TSM 05-50-00-810-831-A. SOURCE OF SMELL FROM APU BLEED. APU BLEED REMAINS ON MEL. PERFORMED ECS DECONTAMINATION OF PACK 1-2, RECIRC FILTERS ALSO REPLACED, ENG INSPECTION'S NORMAL. PACK 1-2 OPERATIONAL AIRCRAFT OK FOR SVC.