As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IN SHORT FINAL F/O STARTED SMELLING DIRTY SOCK ODOR. PACK 1 OFF SEEMED TO STOP THE ODOR. PACK 1 ON SEEMED TO HAVE THE ODOR COMING BACK CONTINUED APPROACH WITH PACK 1 OFF.-RUN BOTH ENGINES IAW AMM 71-00-00. TO DUPLICATE FAULT. VERIFIED PACK #1 IS AT FAULT. SEE LOG PG. 3038651-2 FOR PACK#1 DEFERRAL.