As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE ABOUT 30 NM OUT MYR, THE RIGHT ENGINE OIL PRESS LIGHT WAS FLICKERING BETWEEN 90-140 PSI ALL THE WHILE DECREASING. WHEN IT DROPPED BELOW 90 PSI THE FLIGHT CREW REDUCED TORQUE TO 2000 PSI AND CONSULTED THE QRH. 46 NM FROM CAE, THE OIL PRESSURE GAUGE READ DECREASED BELOW 60 PSI AT THIS TIME THE FLIGHT CREW DECIDED TO SHUT DOWN THE ENGINE. THE LANDING WAS UNEVENTFUL.