As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STRONG ODOR OF WET SOCKS IN COCKPIT DURING DESCENT AT IDLE THRUST. ODOR DISAPPEARED WITH PACK 1 OFF AND REAPPEARED WITH PACK 1 ON. ACCOMPLISHED TSM 05-50-00-810-831-A. ISOLATED ODOR DOWN TO THE NR 1 ENGINE. FOUND DEOILER SEAL ON THE ENGINE LEAKING AND SEAL TORN. R & R THE DEOILER SEAL IAW AMM 72-60-31. OPS AND LEAK CHECKED GOOD. NO ODOR PRESENT. ACFT OK FOR SERVICE.