As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAKEOFF ROLL, BETWEEN 30 AND 50 KTS, POWER STABILIZED AT ALTENATE 60, HEARD LOUD BANG AND CONTINUOUS RUMBLE. TAKEOFF ABORTED. ENGINE INSTRUMENTS LOOKED NORMAL. PASSENGERS REPORTED SEEING FLASH OF FLAME ON THE LEFT SIDE OF THE AIRCRAFT. FOUND METAL IN TAIL PIPE. NR 1 ENG REPLACED PER TRANS 14T1