As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 5196 - EN ROUTE LGA-GSO RECEIVED A RIGHT ENGINE LOW OIL PRESSURE WARNING. CREW DECLARED AN EMERGENCY, PERFORMED AN IFSD OF THE RIGHT ENGINE AND DIVERTED TO IAD. FLIGHT LANDED WITHOUT INCIDENT. REPLACED THE RIGHT ENGINE ASSEMBLY.