As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(LOG 5655202) STINKY SOCK ODOR IN COCKPIT ONLY VAGUE AFTER SHOWING TO 240KTS ON APPROACH. T/S PER B737 FIM21-00 TASK 806. NO SIGNS OF OIL OR HYD OR OTHER CONTAMINATION FOUND. ENG WATER WASH PERFORMED THE PREVIOUS FLIGHT IS SUSPECT. PERF HIGH POWER RUN AND OPERATED BLEEDS. R/R RECIRC FILTERS PER B737 AMM21-25.