As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AUTOTHROTTLE FAIL ( AUTOTHROTTLE CHANNELS – BOTH INOPERATIVE ). REMOVED FROM SERVICE. INTERROGATED CMC. FAULT CODE 22310013TA2 FOUND. REF. FIM 22-31-00-810-853-A. REMOVED AND REPLACED THRUST CONTROL QUADRANT PER E175 AMM 76-11-01-000/400-801-A. ALL TESTS PASSED. AIRCRAFT IS CAT III QUALIFIED. PLACARD READS CAT III. MAINTENANCE CONTROL NOTIFIED. THIS CLEARS MEL. RETURNED TO SERVICE.