As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON LEVEL OFF FROM CLIMBS, BOTH LOW ALTITUDE AND HIGH ALTITUDE, THE NR 1 THROTTLE REMAINED AT CLIMB THRUST CAUSING A LARGE SPLIT WITH NR 2 THROTTLE AND A/T DISCONNECTED. FLIGHT CONTINUED ONTO DESTINATION AND LANDED WITHOUT INCIDENT AT FLL. MAINTENANCE REMOVED AND REPLACED THE NR 1 AUTOTHROTTLE SERVO/TORQUE SWITCH MECHANISM PER AMM 76-11-03. PERFORMED SATISFACTORY OPS CHECK OF AUTOTHROTTLE SYSTEM PER AMM 22-31-00. NO FAULTS.