As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AUTOTHROTTLES WILL NOT REMAIN ENGAGED. ACFT GROUNDED. AUTOTHROTTLE BITE CURRENT STATUS SHOWS NO FAULTS, IAW FIM 22-31 TASK 801. LEG 04 OF INFLIGHT FAULTS LOGGED FAULT MESSAGE 22-31687 ASM-1 RATE MONITOR. ACCOMPLISHED IAW FIM 22-32 TASK 819 AUTOTHROTTLE SERVO TEST. SERVO MOTOR TEST PASSED.