As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT CREW REPORTED LOSS OF RT OIL PRESSURE DURING FLIGHT AND EVIDENCE OF OIL ON EXT. PORTION OF RT ENGINE. FC SHUT DOWN ENGINE WHEN OIL PRESSURE WARNING ILLUMINATED PER QRH PROCEDURE. AIRCRAFT LANDED W/O INCIDENT. RT OIL SERVICE CAP WAS FOUND NOT SECURED. ENGINE WAS CLEANED, INSPECTED, SERVICED, AND RAN. NO FURTHER ANOMALIES FOUND. RECORDS SHOW OIL WAS SERVICED PRIOR TO THE INCIDENT FLIGHT.