What was found
SMOKE WITH ELECTRICAL ODOR APPEARED IN CABIN SHORTLY AFTER TAKEOFF. ELECTRICAL SPARKING IN CEILING AREA FORWARD OF L-3 DOOR. LIGHTS & NSFSB SIGNS FLICKERED & PA SPEAKERS CRACKLED. HALON FIRE EXTINGUISHER WAS USED ON OVERHEAD AREA OF FORWARD CENTER LAV J. LANDED WITHOUT FURTHER PROBLEMS. PANEL ABOVE LAV-J OPENED FOR INSPECTION. MX FOUND A BURNT WIRING HARNESS AT A SUPPORTING CLAMP WITH EVIDENCE OF HEAT DAMAGE ON SURROUNDING STRUCTURE. THE W1276 HARNESS INCORPORATED WIRING FOR LAV HOT WATER HEATER, SPEAKERS & LIGHTS. WIRE BUNDLE WAS CHAFING ON EDGE OF HONEYCOMB WALL PANEL. WIRING HARNESS WAS REPAIRED & CLAMP SECURED. AN FCD WAS ISSUED TO INSPECT THE REMAINDER OF THE FLEET.