What was found
DURING FLIGHT WE EXPERIENCED 4-6 CAUTION ICAS MESSAGES. THEY QUICKLY DISAPPEARED AND THE FO ADS REVERTED TO ADS 1. I SMELLED A SLIGHT ELECTRICAL BURNING SMELL THAT LASTED A FEW SECONDS. FO DIDN€™T SMELL ANYTHING. NOW WE SHOW AFCS FAULT AFTER LANDING. (FLIGHT 3481 - FILED CLOSED) PLEASE REFERENCE AML 1019462, COMPLIED WITH FIM 45-45-00-810-942-A FOR AVNX MAU 2B FAIL. CMC REPORTED MAU 2 NIC 2 FAULTED. REPLACED MAU 2 NIC+PROC 4 IN REF TO ERJ175 AMM 31-42-00-810-811-A. COMPLIED WITH TARGET UPLOAD UP SOFTWARE AND VALIDATION OF CONFIGURATION. COULD NOT DUPLICATE ELECTRICAL SMELL IN COCKPIT. SEE FORWARD DISCREPANCY FOR TROUBLE SHOOTING OF ELECTRICAL SMELL. PLEASE REFERENCE AML 1019462