As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AUTOTHROTTLES WILL NOT ENGAGE. ACFT GROUNDED. ACCOMPLISHED FIM 22-31 TASK 801, WITH ONE FAULT NOTED ON LEG 2, NO OTHER FAULTS NOTED. CURRENT STATUS TEST PASSED, AND SERVO MOTOR TEST PASSED. AUTOTHROTTLE SYSTEM OPS NORMAL, IAW FIM 22-31 TASK 801.