What was found
THE FLIGHT RETURNED TO FIELD AFTER THE HEAT ELEMENT FOR THE F/O'S WINDSHIELD SPARKED AND DEVELOPED A SMALL FLAME. THE FLAME WENT OUT WHEN THE WINDSHIELD HEAT WAS TURNED OFF. A CRACK WAS ALSO DISCOVERED ON THE F/O'S WINDSHIELD. MAINTENANCE REMOVED THE NR 2 HEAT CONTROLLER AND THE WIRE TERMINAL. MAINTENANCE ALSO REMOVED AND REPLACED THE CRACKED WINDSHIELD. C/W OPERATIONAL TEST OF THE F/O WINDSHIELD HEAT IAW 30-41-00-710-801. OPERATIONAL AND VISUAL CHECKS GOOD. NO DAMAGE NOTED TO WINDSHIELD FRAME OR SURROUNDING AREA.