As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
"AT FAIL" MASTER CAUTION ILLUMINATED ON EICAS WHILE ARMING FOR TAKEOFF (AUTOTHROTTLE CHANNELS – BOTH INOPERATIVE). REMOVED FROM SERVICE. INTERROGATED CMC, FOUND FAULT CODES 22310013TA1 AND 22310013TA2. REF E175 FIM 22-31-00-810-811-A, R+R THRUST CONTROL QUADRANT IAW E175 AMM 76-11-01-000/400-801-A, OPS TEST GOOD. REF AML 1022147 FOR LLM STATEMENT. CLEAR DEFECT. RETURNED TO SERVICE.