As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED. DURING INITIAL TAKEOFF ROLL WITH TAKEOFF POWER SET, AIRCRAFT DEVELOPED ASYMMETRICAL POWER WITH NOSE TURNING 30 DEGREES LEFT OF CENTERLINE. TAKEOFF WAS REJECTED AT 60 KTS AND 105.2K. ENGINE NR 1 ELECTRONIC CONTROL UNIT REPLACED WITH NEW, IAW AMM 73-21-60-401. OPERATIONS CHECK GOOD.