As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 5309 - EN ROUTE RDU-BOS RECEIVED A RIGHT ENGINE OIL PRESSURE WARNING MESSAGE, CREW DECLARED AN EMERGENCY, DIVERTED TO JFK AND PERFORMED IFSD OF THE RIGHT ENGINE. FLIGHT LANDED WITHOUT INCIDENT. REPLACED THE RIGHT ENGINE ASSEMBLY.