As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAKEOFF, THE CREW DETECTED AN ODOR SIMILAR TO FERTILIZER OR DIRTY SOCKS, DISSIPATED SHORTLY AFTER. DETECTED SAME SMELL ON ARRIVAL AT 12,000 FEET. REPLACED BOTH RECIRCULATION FILTERS IAW AMM 21-25-01 & RAN PACKS IAW AMM 21-00-00, NO SMELLS AT THIS TIME.