As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING FLIGHT NR 1 ENGINE OIL PRESSURE FLUCTUATION OBSERVED, BETWEEN 46-61 PSI, OIL TEMP WAS NORMAL MAX 78 DEGREES C. ACFT WAS DIVERTED, ACFT LANDED SAFELY, UNEVENTFUL. TROUBLESHOOTING REVEALED EXTERNAL OIL LEAKAGE FROM THE ACFT OIL COOLER.