What was found
(CAN) PILOTS WERE CARRYING OUT AN ENGINE START ON THE RT ENGINE AND NOTICED THAT THERE WAS NO ITT INDICATION SO THE ENGINE WAS SHUT DOWN. MAINTENANCE TROUBLESHOOTING DETERMINED THE ITT HARNESS WAS SERVICEABLE BUT THAT THE ENGINE INTERNAL BUSSBAR HAD FAILED. THE ENGINE WAS SPLIT AT THE C FLANGE AND THE BUSS BAR WAS FOUND SEPARATED FROM THE TOP OF THE JUNCTION BLOCK. THE BUSS BAR P/N 3031566 WAS REPLACED AND THE AIRCRAFT RETURNED TO SERVICE.