As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AUTO THROTTLES DISENGAGED AND WILL NOT STAY ENGAGED. ACFT GROUNDED. BITE A/T, CURRENT STATUS PASSED, ASM NR 1 FAILED FOR RATE MONITOR DURING SERVO TEST NUMEROUS TIMES. R & R AUTO THROTTLE SERVO NR1 IAW AMM TASK 22-31-91-020-801/22-31-91-400-801. OPS CKS GOOD.