As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAKEOFF ROLL, SPEED TRIM STARTED TRIMMING AIRCRAFT AT APPROXIMATELY 100 KNOTS. CONTINUED FORWARD NOSE DOWN TRIMMING AND WOULD NOT STOP. ABORTED TAKEOFF AT 110 KNOTS. TRIMMED STABILIZER TO AFT LIMIT OF GREEN BAND. REPLACED ELECTRIC ACTUATOR. CHECKS OK.