What was found
FUME EVENT ON DESENT ASSOCIATED TO PACK 1. DESCRIPTION OF ODOR/FUMES: PERSISTENT, DIRTY SOCKS SMELL. APPARENT CABIN SOURCE: PACK 1, FLIGHT DECK. NO VISIBLE SMOKE/HAZE. NO MEDICAL ATTENTION REQUIRED.-PERFORMED TSM 05-50-00-810-831-A AND TSM 49-00-00-200-812-A. THE SOURCE WAS THE APU OIL OVER SERVICE. DRAINED 1QT IAW AMM 49-90-00. PERFORMED PACK BURNOUT IAW AMM 21-00-00-615-802-A LEVEL A DECONTAMINATION OF ECS. ENGINE RUN IN IDLE IAW AMM 71-00-00-860-823-A. NO DEFECTS NOTED AT THIS TIME, A/C OK FOR CONTINUED SERVICE.