What was found
WIRE BURNING ODOR AT 12000 FT, SMOKE IN FWD CABIN. TURNED OFF MASTER GALLEY POWER SWITCH, SMOKE DISSIPATED. PERFORMED A VISUAL INSPECTION AND EWIS ON MASTER GALLEY POWER SWITCH AND SURROUNDING CIRCUITRY AT OVER HEAD PANEL, AND ON EPC PANEL AND GALLEY WIRING IAW AMM 20-51-00, AND SWP 20-10-00. NO FAULTS OR DISCREPANCIES NOTICED. INSPECTED OVEN AT FWD GALLEY, FOUND BURNED PLASTIC MATERIAL ON THE INSIDE LT WALL OF THE OVEN. REMOVED MATERIAL IAW 25-39-03 AND OP'S CHECKED OVEN AT HIGH TEMP FOR 10 MIN., NO ODOR NOTED.