What was found
SEA - HEADING COMPASS LIGHT CAME ON DURING TURN ON DEPARTURE. 30 DEGREES DIFFERENCE IN COMPASS HEADING. 30 DEGREES DIFFERENCE IN VOR NEEDLES ON BOTH RMI'S. CAPTAIN'S RMI COMPASS HEADING WITHIN 10 DEGREES OF STANDBY MAGNATIC COMPASS. CHECKED SECURITY OF COMPASS COMPONENTS, CLEANED CONNECTION AND RESECURED. CAPTAINS RMI WAS WITHIN 2 DEGREES OF STANDBY COMPASS. COULD NOT DUPLICATE ANY PROBLEM WITH VOR TESTER. ALL SYSTEMS CHECKED GOOD. (M)