As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER DEPARTING GATE IN SAN COULD NOT ARM THE AUTO THROTTLES TRIED RESETTING MCP FD SWITCHES BUT WOULD NOT ARM. GROUNDED - YES. A/T BITE FAULT HIST PAGE LOGGED MSG 22-31523 TARGET MONITOR ON FLT LEG 5 ONLY. REF B737-800 FIM 22-31 TASK 818, A/T BITE TEST ALL TESTS PASSED W/O FAULTS. REMOVED MEL 22-4B AND 22-99B.