As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: STRONG DIRTY WET SOCK ODOR FROM BOTH PACKS AFTER TAKEOFF. ODOR VARIED IN INTENSITY UNTIL LANDING. NO ODOR FROM PACKS ON GROUND USING AUXILIARY POWER UNIT. FOUND ODOR COMING FROM BOTH RECIRCULATION FILTERS. REMOVED AND REPLACED RECIRCULATION FILTERS (AALA202210104757), (AALA202210100027) PER AMM 21-25-01.