As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FA TURNED ON AFT GALLEY HEATER, NOTED A SMOKEY BURNING SMELL. NO VISIBLE SMOKE SEEN AND SMELL DISAPPEARED. AFTER TURNING HEATER OFF. AFT HEATER PLACED ON MELL NO EMERGENCY DECLARED, AND NO ONBORARD MEDICAL ATTENTION NEEDED. LOCATION AFT GALLEY. R/R AFT GALLEY FAN TO CLEAR DEFECT.