As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TAKEOFF ABORTED AT 82 KNOTS AT DFW. NORMAL ABORT. LEFT ENGINE ACCELERATED NORMALLY TO 1.4 EXHAUST PRESSURE RATIO BUT NEVER BEYOND 1.5. MANUALLY PUSHED THROTTLES FORWARD WITH NO RESPONSE. DISENGAGED AUTO-THROTTLES. AIRCRAFT WAS GROUNDED. REMOVED AND REPLACED LEFT ENGINE SYNCHRONIZATION ACTUATOR ASSEMBLY AND CONTROL BOX IAW AMM 76-11-02. SYNCHRONIZATION AND ACCELERATION TESTS OPERATIONAL CHECK GOOD.