As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE FLIGHT, NR 1 ENGINE OIL PRESSURE AND QUANTITY DETERIORATED. AIRCRAFT DIVERTED TO GEG AND PERFORMED AN UNEVENTFUL LANDING. MAINTENANCE INSPECTED ENGINE FOR OIL LEAKS, NONE FOUND. AIRCRAFT MAINTENANCE FERRIED TO SEA AND REPLACED NR 1 ENGINE.