What was found
(CAN) DURING TAKEOFF ROLL FOR A REPOSITIONING FLIGHT, THE PILOTS HEARD A LOUD NOISE FROM ONE OF THE ENGINES. T/O WAS ABORTED AND THE ACFT RETURNED TO THE RAMP. THE PILOTS DO NOT KNOW FROM WHICH ENGINE THE NOISE CAME FROM. TROUBLESHOOTING IS ON-GOING. MFG WILL INVESTIGATE TO ESTABLISH ROOT CAUSE AND SUPPLEMENT THE REPORT ONCE THE INFORMATION IS AVAILABLE. (TC 20100216004)