As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: FLIGHT ATTENDANTS REPORT A ODOR LIKE CAMPFIRE SMOKE IN REAR AND IN FRONT OF AIRCRAFT NOTHING SMELLED BY FLIGHT DECK OR PASSENGERS. MAINTENANCE ACCOMPLISHED SMOKE ODOR FUME TASK CARD 26L00021001, RAN ENGINES AND APU WITH NO ODORS NOTED. FOUND AFT GALLEY VENT FAN FILTERS COMPLETELY CLOGGED AND CLEANED THEM. NO ODORS NOTED IN FORWARD AND AFT GALLEYS.