As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING THE TAKEOFF ROLL THE FLIGHT CREW HEARD THE RT ENGINE POPPING WITH FLASHES OF LIGHT WITH A RAPID DECREASE IN TORQUE. THE TAKEOFF ROLL WAS ABORTED AND AC TAXIED CLEAR OF THE RUNWAY. A MECHANIC WAS DISPATCHED. ENGINE ASSY WAS REMOVED AND REPLACED WITH A SERVICEABLE UNIT IAW MM AND SD3-30MM. OPS AND LEAK CHECK GOOD HAS BEEN RETURNED BACK TO SERVICE. (K)