As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: MILD SMELL OF DIRTY SOCK ON TAKEOFF AND APPROACH. SMELL WENT AWAY AT CRUISE AND AFTER LANDING. MAINTENANCE ACCOMPLISHED JOB CARD 08L00021001, SMOKE ODOR FUME INITIAL TROUBLESHOOTING. NO ODOR NOTED. AS A PRECAUTION AIR RECIRCULATION FILTERS WE REPLACED PER AMM 21-25-01.