What was found
DURING FLIGHT, MICROWAVE MOMENTS AFTER TURNING ON PRODUCED AN ACRID SMOKE, MADE A POPPING SOUND & SHUT-DOWN. IMMEDIATLY REFERENCED ITS ASSOCIATED CB & NOTED IT WAS IN A LOCKED STATUS. SMOKE CLEARED QUICKLY THERE AFTER. REMOVED OVEN MICROWAVE FOR INSPECTION, FOUND MICROWAVE INTERNALLY DAMAGED, INSPECTED CONNECTORS & WIRING, FOUND CONNECTOR PINS WITH LIGHT OXIDATION, INSPECTED SYSTEM IAW SWDM 25-30, FOUND ACPD #5 INTERNALLY FAILED, CLEANED MICROWAVE CONNECTOR, R & R GALLEY MICROWAVE DUE TO SUSPECTED INTERNAL UNIT FAILURE WITH REPAIRED MICROWAVE IAW AMM 25-30-66-000-801. REMOVED AND REPLACED ACPDU #5 DUE TO INTERNAL UNIT FAILURE WITH REPAIRED ACPDU IAW AMM 24-52-52-000-801.