As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IN FLIGHT CRUISE POWER AT 83 PERCENT TORQUE, NR 1 OIL PRESSURE FLUCTUATED IN TO YELLOW AT 50 PSI. NR 1 POWER LEVER MOVED TO FLIGHT IDLE, THEN OIL PRESSURE WENT INTO RED WITH WARNING LIGHT, THEN NR 1 ENGINE SHUTDOWN IAW CHECK LIST. FOUND OIL LEAKING FROM PCU ADAPTER, R & R ADAPTER AND TRANSFER TUBE O-RINGS IAW WORK CARD 61-10-10 AND RIG CHECKED IAW WORK CARD 76-00-01. OPS AND LEAKED GOOD.