As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON APPROACH AT 2500 FA'S REPORTED DIRTY SOCK SMELL IN THE CABIN. DISSIPATED ONCE PACK 2 WAS OFF.-PERFORMED ENG 1 & ENG 2 ENGINE RUN UP IAW AMM 71-00-00. STARTED PACK 1 & 2 ALTERNATELY. NO CABIN ODOR DETECTED. INSPECTED ENG OIL LEVELS FOUND OVERSERVICED. DRANIED BOTH ENGINE OILS TO PROPER LEVEL IAW AMM 12-13-79. NO DEFECTS NOTED. A/C OK FOR CONTINUED SVC.