What was found
AFTER OVEN TEMP WAS SET TO 325 DEGREES, SMOKE EMITTED INTO GALLEY AND COCKPIT. IT HAD AN ELECTRICAL SMELL. THE OVEN & EXHAUST FAN WERE TURNED OFF IMMEDIATELY AND THE SMOKE CLEARED. STARTED GAINED ACCESS TO ATTACH SCREWS, AFT DETENT SET SCREW IS SEIZED IN PANEL. REMOVED PLUNGER BALL MOUNT HOUSING & REMOVED SEIZED PLUNGER BALL. INSPECTED CABINET & PLUNGER MOUNT FOR DAMAGE. NO DAMAGE FOUND. REMOVED OVEN. INSPECTED WIRING & CONNECTORS FOR OVEN WITH NO DAMAGE NOTED. INSTALLED REPAIRED OVEN ASSEMBLY. OPS OVEN & EXHAUST FAN FOR 30 MIN. NO SIGNS OF SMOKE OR ABNORMAL SMELLS NOTED DURING OPS. INSTALLED NEW BALL PLUNGER. OPS CHECKED GOOD !AW SMM 25-30-03.