As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: DURING TAKE OFF ROLL ASYMMETRIC THRUST CAUSED AIRCRAFT TO EXIT RUNWAY 18L BOTH MAIN GEARS LEFT THE RUNWAY SURFACE ABLE TO TAXI BACK ONTO THE RUNWAY. PERFORMED POWER ASSURANCE RUN PER AMM 71-00-00-501-700-813 OPS CHECK GOOD NO DEFECTS NOTED.