As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 5712- AFTER TAKEOFF FROM CVG, RECEIVED A RIGHT ENGINE LOW OIL PRESSURE WARNING MESSAGE, OIL PRESSURE FLUCTUATED BETWEEN 23 AND 45 PSI. FLIGHT RETURNED TO THE FIELD. DEFERRED INOPERATIVE ENGINE OIL REPLENISHING SYSTEM PER MEL 79-12-01, MANUALLY SERVICED ENGINE WITH OIL.