What was found
(CAN) 4 CYLINDER PISTON PIN PLUG FAILED (BROKEN OFF) CAUSING HIGH AMOUNT OF ALUMINUM IN OIL FILTER, CAUSING LOSS OF OIL PRESSURE DURING CRUISE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN) 4 CYLINDER PISTON PIN PLUG FAILED (BROKEN OFF) CAUSING HIGH AMOUNT OF ALUMINUM IN OIL FILTER, CAUSING LOSS OF OIL PRESSURE DURING CRUISE.