As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AUTO THROTTLE FAILED DURING TAKEOFF. COULD NOT RE-ENGAGE. ACFT GROUNDED. NO HISTORY. NR 1 SERVO MOTOR FAILED TEST. PULLED AND RESET THE AUTOTHROTTLE DC CIRCUIT BREAKER. AUTOTHROTTLE SYS OPS CKS NORMAL IAW 22-31-00-710-801. AUTOTHROTTLE SERVO MOTOR TEST, OPS CKS NORMAL IAW 22-31-00-710-802. PAR I.