What was found
IN FLIGHT ENG SHUT DOWN, DIVERSION, NR 1 ENG LOW OIL PRESS LIGHT ILUMINATED, OIL QTY INDICATION WAS ZERO. ENGINE WAS SHUT DOWN AND DIVERTED FLIGHT TO COS. FOUND CRACKED STARTER. REMOVED AND REPLACED NR 1 ENG STARTER, SERVICED ENG WITH OIL. LEAK AND OPS CHECKED GOOD.