As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAD/RDU - FLT 6590 - DURING CRUISE, DECLARED AN EMERGENCY AND DIVERTED TO LYH DUE TO THE LT ENGINE OIL PRESSURE LOSS. FLIGHT CREW SHUT DOWN THE LT ENGINE AND LANDED AT LYH WITH NO FURTHER INCIDENTS. MAINTENANCE PERFORMED AN ENGINE CHANGE. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. PART TSI: 521.3. (X)