As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SMOKE AND ODOR REPORTED IN CABIN. F/A DISCONNECTED SEVERAL WIRES UNDER 19C AND 18C, CREW REPORTED GALLEY POWER AND SEAT POWER TURNED OFF PRECAUTIONARY, SMOKE AND ODOR DISSAPATED. SEAT ELECTRONIC UNIT AT SEAT 18D FAILED. UNIT WAS REPLACED. SYSTEM OP NORMAL. UNIT WAS OPENED IN SHOP AND CAPACITOR WAS FOUND BURNED.