What was found
LOWER LEFT OF F/O'S WINDSHIELD ARCED. TURNED WINDOW HEAT OFF, MOMENTS LATER WINDSHIELD CRACKED. INSPECTED AND FOUND CRACK TO BE IN OUTER PANE ONLY. CENTER PANE WAS INTACT. AIRCRAFT FERRIED FROM SEA-PDX FOR REPAIRS. REPLACED COPILOT'S WINDSHIELD AND TEMP CONTROLLER, OPERATIONAL CHECKS GOOD.