As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF CLIMB, AT 6,000 FT, THE CREW PULLED BACK THE POWER TO CRUISE. ON THE RT ENGINE, THE TORQUE DROPPED AND LOW OIL PRESSURE LIGHT ILLUMINATED. PROPELLER FEATHERED AND THE RT ENGINE SHUTDOWN UNCOMMANDED. THE CREW STATED ALL SYSTEMS WERE NORMAL BEFORE INCIDENT. THE ACFT LANDED SAFELY AT THEIR OCONUS BASE. POST FLIGHT INSP REVEALED RT PROPELLER AND POWER SECTION WERE LOCKED UP. THERE WERE NO SIGNS OF OIL LEAKAGE. BRASS AND METAL SHAVINGS WERE DISCOVERED IN OIL FILTER, CHIP DETECTOR, AND POWER SECTION FILTER.