As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 5025- ENROUTE CVG-ORD RECEIVED A RT ENGINE OIL PRESSURE WARNING WITH FLUCTUATION IN OIL PRESSURE, CREW DECLARED AN EMERGENCY, PERFORMED AN IFSD OF THE RT ENGINE AND LANDED AT ORD WITHOUT INCIDENT. REPLACED THE RT ENGINE OIL PUMP.