What was found
(CAN) DURING CRUISE, RT ENGINE OIL PRESSURE BEGAN FLUCTUATING. CREW CONTINUED TO MONITOR GAUGE AND APPROXIMATELY 30 MINS LATER, OIL PRESSURE BEGAN TO DROP AND RT OIL PRESSURE WARNING LIGHT ILLUMINATED. CREW FOLLOWED CHECKLIST AND SECURED NR 2 ENGINE, DECLARED AND EMERGENCY AND DIVERTED ACFT WHERE THE ACFT LANDED SAFELY. PRELIMINARY TROUBLESHOOTING INVESTIGATION CONFIRMED A MAJOR OIL LEAK.