As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ODOR NOTICED BY FA IN AFT GALLEY AREA. ODOR INCREASED AND DID NOT SUBSIDE UNTIL LANDING. PERFORMED AMM 05-51-26-800-801C1 AND FOUND NOTHING CAUSING ODOR. RAN BOTH ENGINES AT POWER WITH PACKS HOT AND COLD, FOUND NOTHING WRONG. REMOVED AND REPLACED THE AIR CONDITIONER RECIRCULATION FILTERS IAW AMM 21-25-01-400-801. ALL CHECKED NORMAL