As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AVNX MAU 1 A FAIL CAUTION MESSAGE IN FLIGHT. FOUND MAU 1 POWER 1 CB ON LHCBP OUT. RESET CIRCUIT BREAKER AND PERFORMED FIM TASK 31-42-00-810-808-A. CHECKS OK.RESET MAU 1 NIC 1 AMM 45-45-00. PERFORMED RETURN TO SERIVE IAW AMM 27-00-00-070-801-A.