As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AS TAKEOFF POWER WAS BEING APPLIED, THE LEFT ENGINE THRUST LEVER WOULD NOT ADVANCE TO TAKEOFF POSITION. CREW ABORTED TAKEOFF AND RETURNED TO THE GATE. MAINTENANCE REPLACED A DAMAGED BOLT ON THE RIGHT ENGINE THRUST REVERSER, OPERATIONAL CHECK OK.