As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FWD FA REPORT AIR QUALITY EVENT. DESCRIPTION OF ODOR/FUMES: PERSISTENT, DIRTY SOCKS/ OTHER SMELL DURING DESCENT. FWD CABIN. NO VISIBLE SMOKE/HAZE. NO MEDICAL ATTENTION REQUIRED.-PER TSM 05-50-00-810-831A DECONTAMINATION PROCEDURE OF ECS LEVAL A IAW AMM 21-00-00-615-803 PERFORMED BOTH ENG RUN IAW AMM 71-00-00-810-823A R&R RECIRC FILTERS AMM 21-21-41