What was found
(AUS) ENGINE SUFFERED TWO CRANKSHAFT MAIN BEARING EXCESSIVE WEAR INCIDENTS IN APPROXIMATELY 50 HOURS OPERATION: 1. FIRST OCCURRENCE WAS AT 8.5 HOURS AFTER INSTALLATION FOLLOWING OVERHAUL - ENGINE WAS INSPECTED/CHECKED, NEW BEARINGS AND A USED SERVICEABLE CRANKSHAFT FITTED AND RETURNED TO SERVICE 2. SECOND OCCURRENCE, SHOWS IDENTICAL WEAR PATTERNS TO THE FIRST - METAL CONTAMINATION OF OIL SYSTEM - METAL WAS IDENTIFIED AS COMING FROM WORN CYLINDER BORES - BEARING SET PNO SA530058A6 WAS FITTED ON BOTH OCCASIONS