As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(AUS) NO1 ENGINE NO9 COMBUSTION CAN BURNT THROUGH AT FUEL NOZZLE NUTFACE. FOUND DURING BOROSCOPE INSPECTION. INVESTIGATION FOUND THAT THE PROBLEM WAS CAUSED BY DISCREPANCIES IN THE OVERHAUL OF THE FUEL NOZZLE ASSEMBLIES. PERSONNEL/MAINTENANCE ERROR.