As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CO-PILOT REPORTED THAT THE RT ENG OIL PRESS LOW MESSAGE CAME ON APPROX 5-10 MIN AFTER TAKEOFF. CREW SHUT THE ENGINE DOWN AND RETURNED. LANDING WAS UNEVENTFUL. OIL LEAKAGE NOTED AROUND RT ENGINE OIL FILLER CAP. DAMAGE NOTED ON O-RING. O-RING R & R. LEAK CHECK AND ENGINE RUNS PERFORMED AND ACFT RETURNED TO SERVICE.