As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
8/22/2002, OIL COOLER TCM 639171. TACH TIME NOT LOGGED. APPROX 830 SMOH. 12/1/2003 A MAJOR OIL LEAK DEVELOPED AROUND THE OIL COOLER AND THE NR 5 CYL PUSH ROD TUBES. ISOLATED LEAK TO OIL COOLER GASKETS. 1036 SMOH. DURING REMOVAL OF OIL COOLER BASE PLATE, IT WAS DETERMINED THAT THE ATTACHING BOLTS WERE IMPROPERLY TORQUED. NEW GASKETS WERE INSTALLED AND COOLER ATTACHING BOLTS PROPERLY TORQUED. PROBLEM CAUSED BY IMPROPERLY TORQUED ATTACHING BOLTS.