What was found
(AUS) FOLLOWING REPAIR FOR OVERTEMP AND FOD IN THE USA THE RT ENGINE WAS FITTED AND PREPARED FOR STARTING. THE ENGINE WAS WOUND OVER WITHOUT LIGHTING UP AND AN INTERNAL RUBBING NOISE WAS HEARD. THE ENGINE WAS PARTIALLY DISMANTLED AND INSPECTION FOUND THE COMPRESSOR TURBINE RUBBING ON SEGMENTS IN SMALL EXIT DUCT.FURTHER STRIPPING AND INSPECTION FOUND ABRASIVE MATERIAL IN THE COMBUSTION CHAMBER. INSPECTION ALSO FOUND THAT THE POWER TURBINE LOCK WIRING WAS CARRIED OUT WITH STAINLESS STEEL LOCKWIRE INSTEAD OF ICONEL LOCKWIRE. THE ITT PROBES WERE FOUND TO BE FINGER TIGHT AND INCORRECTLY SECURED. PERSONNEL/MAINTENANCE ERROR. UNAPPROVED PART.