As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SMELL OF DIRTY SOCKS DURING FINAL APPROACH FOR APPROX 5 MINS BETWEEN 5000 AND 3000. COCKPIT AND FWD GALLEY AREA ONLY.-C/W TSM 05-50-00810-831-A FOR CABIN ODOR IDENTIFICATION. PERFORMED ENGINE #1 & #2 RUN UP IAW AMM 71-00-00. FOUND CAUSE OF SMELL TO BE PACK #1.