As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AUTOTHROTTLE WILL NOT STAY ENGAGED. ACFT GROUNDED. AUTOTHROTTLE INFLIGHT FAULTS SHOWED 8 FAULTS OF ASM 1 RATE MONITOR. AUTO THROTTLE SERVO MOTOR TEST FAILED ASM 1. R & R ASM 1 IAW AMM 22-31-91-020-801/22-31-91-400-801. OPS CHECKS GOOD. PERFORMED ADDITIONAL MIN TESTS TO MAINTAIN ACFT LWMP STATUS AS FOLLOWS: A/T OPS TESTS IAW AMM 22-31-00, 501, ALL TESTS PASS.