As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(LOG 6702420) ON FINAL DESCENT/ APPROACH A DIRTY SOCK SMELL WAS IN THE FLIGHT DECK AS WELL AS BOTH GALLEYS. R/R RT PACK ACM PER B737 AMM 21-51. R/R RECIRC FILTER PER B737 AMM 21-25. PERFORMED ENGINE RUN OF BOTH ENGINES WITH PACKS AT FULL HOT AND FULL COLD AND NOTED NO ABNORMAL SMELLS AND OPS GOOD OF RT AND LT PACKS. REF B737 AMM 71-00.