As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE CREW WAS DEPARTING CHARLESTON, SC, THE PILOT SMOOTHLY ADVANCED THE THROTTLES TO ALLOW THE PROPS TO SPIN UP TO MAX RPM, BEFORE SETTING TAKEOFF POWER. THE LEFT ENGINE STARTED SURGING AND BACKFIRING WHILE THE PILOT ADVANCED THE THROTTLES. THE COPILOT CALLED TO ABORT THE TAKEOFF. PILOT PROMPTLY REACTED AND BROUGHT THE AIRPLANE TO A COMPLETE STOP. THE AIRCRAFT WAS TAXIED TO THE FOB AND MAINTENANCE AND DISPATCH WERE CALLED.