What was found
ON DESCENT PASSING 10,000, A CHEMICAL, DIRTY SOCK ODOR STRONGER IN REAR OF CABIN. GROUNDED - YES. PERFORMED ODOR IDENTIFICATION, ISOLATION IAW TSM 05-50-00-810-829-A. PERFORMED DUAL ENGINE RUN, PACK BURN IAW AMM 71-00-00-860-810-A. NO ODORS NOTICED. AIRCRAFT OK FOR CONT SVC.