What was found
(LOG 9374456) AFTER TAXI HAD COMMAND FLT ATTD REPORTED SMELLING AN ODOR SIMILAR TO A LIT MATCH FROM THE RT OVERWING DOOR AREA. PERFORMED INSP OF AFT GALLEY DOOR HEATER AND FOUND UNOPPENED EARPLUGS IN AIRSTREAM AGAINST FLOOR HEATER. CLEANED AND RE-INSTALLED FLOOR HEATER REF B737 AMM 21-45. PERFORMED OPS CHECK. NO ODORS OR DEFECTS NOTED. REMOVED AND REPLACED LEFT AND RIGHT RECIRCULATION FILTERS REF B737 AMM 21-25.