As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED RT ENGINE OIL PRESSURE MESSAGE IN FLIGHT AND ELECTED TO DIVERT. PRIOR TO LANDING, OIL PRESSURE CONTINUED TO DROP, SO CREW ELECTED TO SHUTDOWN RT ENGINE. MAINTENANCE INSPECTED AND FOUND OIL LEAK DUE TO LOOSE B-NUT ON B-SUMP SCAVENGE TUBE BELOW PUMP. MAINTENANCE RESECURED B-NUT, SERVICED RT ENGINE OIL AND PERFORMED CHECKS IAW AMM. ACFT RELEASED FOR SERVICE.