As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT GALLEY HEATER WHEN TURNED ON GAVE STRONG ELECTRICAL BURNING SMELL. WHEN TURNED OFF, SMELL DISAPATED AND DID NOT RETURN. HEATER LEFT OFF FOR DURATION OF FLIGHT. NO ONBOARD MEDICAL ATTENTION NEEDED FOR CREW OR PAX. NO EMERGENCY DECLARED. AFT GALLEY HEATER PLACED ON MEL.