What was found
(CAN) DURING A TAKEOFF ROLL, AT 20 KNOT, THE ELEC ENG CONTROL ON THE LT ENG WAS ILLUMINATED & THERE WAS A SLIGHT THRUST DISSYMMETRY. THE CREW DECIDED TO ABORT THE TAKEOFF & RETURNED TO BASE UNEVENTFULLY. TROUBLESHOOTING ONGOING. MFG WILL INVESTIGATE TO ESTABLISH ROOT CAUSE & PROVIDE INFORMATION THROUGH SUBSEQUENT SERVICE DIFFICULTY REVIEW MEETING & SUPPORTING DOCUMENTS OR OTHER AGREED UPON COMMUNICATIONS.