What was found
DURING PREFLIGHT, CREW NOTED A STRONG BURNED ELECTRONIC SMELL. MAINTENANCE INSPECTED THE FLIGHT DECK, QUADRANT, CIRCUIT BREAKER PANELS, LIGHTS AND CONVERTERS. FOUND THE RIGHT MAIN LANDING GEAR DOWN AND LOCKED LAMP TO BE BURNT AND SHORTED. THE RECEPTICLE AND LAMP CONTACTS WERE CLEANED AND THE BULB WAS REPLACED.