What was found
AFTER LANDING ENG 2ND DISPATCH, AT FAIL CAUTION MESSAGES DISPLAYED ALONG WITH ENG 2 FADEC FAULT AND ENG TLA TRIM FAUL ADVISORY MESSAGES DISPLAYED. REMOVED FROM SERVICE. INTERROGATED CMC, DISCOVERED FAULT CODE 73216117E2B. PERFORMED TROUBLESHOOTING IAW E175 FIM 73-21-00-810-844A. REMOVED AND REPLACED #2 ENGINE FADEC IAW E175 AMM 73-21-01-000/400-801-A. NO FURTHER DEFECTS NOTED, THIS CLEARS ALL FAULTS, AIRCRAFT RETURNED TO SERVICE.