What was found
(CAN) DURING CLIMB, THE CREW OBSERVED ENGINE TEMPERATURE AND FUEL FLOW SPLIT. THE FLIGHT DIVERTED TO POINT OF DEPARTURE AND THE ENGINE WAS SHUT DOWN DURING DESCENT. SUBSEQUENT INSPECTION REVEALED DAMAGE TO THE ENGINE INNER BYPASS DUCTING CONSISTENT WITH AN INTERNAL ENGINE FIRE. MFG WILL INVESTIGATE THE EVENT AND WILL ADVISE OF ROOT CAUSE ONCE ESTABLISHED. (TC NR 20060129004)