As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STRONG DIRTY SOCK ODOR NOTED THROUGHOUT THE CABIN AND FLIGHT DECK FROM TAKOFF THROUGH PARKING. ACCOMPLISHED CARD 05-96-70 AND FOUND DIRTY RECIRCULATION FAN AIR FILTERS. REPLACED LEFT FILTER IAW AMM 21-25-01 AND RIGHT FILTER IAW AMM 21-25-01 OPERATIONAL CHECKED GOOD. AIRCRAFT WAS GROUNDED.