As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AUTOTHROTTLE 2 NUMEROUS INTERMITTENT FAILURES. FOUND NO FAILURES REPORTED IN MDUA FAULT HISTORY. OPERATIONALLY CHECKED AUTOTHROTTLE SYSTEM CHANNELS 1 AND 2 IAW CMP CODE 223005 SEVERAL TIMES WITH NO FAILURES NOTED. AIRCRAFT WAS RETURNED TO SERVICE.