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 QUANTITY DETERIORATED. FLIGHT CREW DIVERTED TO YXY AND PERFORMED AN UNEVENTFUL LANDING. ENGINE WAS VISUALLY INSPECTED, NO OIL LEAKS NOTED. SERVICED ENGINE WITH OIL. ENGINE GROUND RUN FOR 30 MINUTES, NO CONSUMPTION WAS NOTED.