As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING APPROACH TO LAND F/A ADVISED COCKPIT OF A "DIRTY SOCK" SMELL. PERFORMED TSM 05-50-00-810-831-A NO SMELLS OR FUMES DETECTED. PERFORMED ENG RUNS ON BOTH 1 AND 2 ENG. IAW AMM 71-00-00-710-043A. NO SMELLS OR FUMES DETECTED. A/C OK FOR CONTINUED SERVICED.