As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AUTOTHROTTLE WILL NOT STAY ARMED. ACFT GROUNDED. VERIFIED ASM-1 BAD. FAILS SERVO MOTOR TEST EVERY TIME REF MM 22-31-00 SYSTEMS TEST. REPLACED ASM NR 1. OPS NORMAL REF MM 22-31-91. VERIFIED SERVO MOTOR TEST OPS NORMAL REF MM 22-31-00 SYSTEMS TEST.