As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IN FLT RECEIVED CADC 1 FAIL MSG ON MCDU. CADC SW PLACED ON, BOTH ON 2. ALSO RECEIVED MASTER WARN AND AN AC EMER BUS OFF LIGHT ON O/H PANEL. CAPT DISPLAY LOST, F/O DISPLAY NORMAL EXCEPT LOSS OF RDMI INFO. AC EMER BUS OFF LIGHT CYCLED ON AND OFF FOR REST OF FLT. REPLACED NR 1 CADC, OP CKS GOOD.