As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMBOUT, AUTOTHROTTLES DISENGAGED AND WOULD NOT RE- ENGAGE. ACFT GROUNDED. A/T FLT FAULT REVIEW SHOWS 9 EA, ASM-2 RATE MONITOR FAULTS ON LAST 2 FLTS. IAW 22-31-91, R & R 2 ASM. OPS CHECKED NORMAL IAW MM AND A/T INTERACTIVE THROTTLE SERVO MOTOR BITE TEST.