What was found
(AUS) NO4 MAIN BEARING FAILED. BEARING MATERIAL MISSING FROM BEARINGSHELL. AREA OF MISSING MATERIAL APPROXIMATELY 15MM BY 10MM(0.59IN BY 0.39IN). A SMALLER AREA OF BEARING MATERIAL WAS ALSO FOUND MISSING FROM NO3 MAIN BEARING SHELL. THE AREA OF BEARINGMATERIAL DELAMINATED/ERODED FROM NO3 BEARING IS APPROXIMATELY 7MM BY 5MM (0.275IN BY 0.196IN). THE BEARING SURFACE CONTAINED CRACKS AND EVIDENCE THAT AJOINING AREAS OF THE BEARING SURFACE WEREDISTRESSED AND WOULD FAIL IN THE NEAR FUTURE. METAL CONTAMINATION OF OIL SYSTEM.