As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUSE FLIGHT THE RIGHT ENGINE OIL PRESSURE LOW WARNING ALERT SOUNDED. PILOT SECURED ENGINE AND RETURNED TO THE AIRPORT. TECHNICAN REMOVED ENGINE COWLING AND NOTED ENGINE OIL DRIPPING FROM THE OIL COOLER HOSE FIRE SLEEVE. THE OIL LINE WAS REPLACED AND AIRCRAFT RETURNED TO SERVICE.