What was found
ENGINE INSTALLED AFTER OVERHAUL. UPON GROUND RUN, FOUND OIL COOLER LEAKING EXCESSIVELY. REMOVED AND INSTALLED SERVICEABLE COOLER. ENGINE STILL HAD SMALL OIL LEAK. AFTER EXTENSIVE TROUBLESHOOTING AND SEVERAL ATTEMPTS OF RESEALING OIL PUMP HOUSING, WHICH APPEARED TO BE THE CAUSE OF LEAK. FOUND SERVICEABLE OIL COOLER PREVIOUSLY INSTALLED TO BE CRACKED AT MOUNT FLANGE BASE THROUGH AND AROUND MOUNT BOLT HOLE. INSTALLED NEW COOLER AND LEAK CHECK OKAY.