As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
F/AS REPORTED AFT CABIN DIRTY SOCKS SMELL JUST BEFORE LANDING GEAR DOWN. CLEARED AFTER LANDING. NO TROUBLESHOOTING DONE. NOTIFIED AT GATE-FOLLOWED TSM 05-50-00-810-831-A. NO ODORS FOUND AT THIS TIME. RUN APU BLEED. NO ODORS FOUNDS. A/C OK FOR SERVICE.