As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AUTO THROTTLE WILL NOT ARM DURING TAXI OUT PRIOR TO TAKE OFF. GROUNDED - YES. ACCOMPLISHED AUTOTHROTTLE BITE NO CURRENT STATUS FAULTS AND NO INFLIGHT FAULTS LAST TEN LEGS. ALL TESTS PASS. REF B737-800 FIM 22-31 TASK 801. CLEARS MELS 22-4B AND 22-99B. ETOPS SIGNIFICANT SYSTEM GROUND VERIFICATION SUCCESSFUL.