As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AFTER LANDING, PILOTS CARRIED OUT A PREFLIGHT INSPECTION AND NOTICED THAT THERE WAS OIL ON THE RT ENGINE COWLS. COWLS WERE REMOVED AND ENGINE INSPECTED. OIL LEAK WAS FROM A CRACKED OIL COOLER, MAINTENANCE WAS NOTIFIED AND AN O/H COOLER WAS INSTALLED. ACFT WAS SERVICED AND GROUND RUN WITH NO FURTHER LEAKS.