As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MX CREW REPORTED MULTIPLE FLIGHT CONTROL FUNCTION MALFUNCTION INDICATIONS. EMERGENCY DECLARED FLIGHT RETURNED TO DEPARTURE, LANDED WITHOUT INCIDENT. ACFT REMOVED FROM SERVICE. REPLACED NR 1 CENTRAL AIR DATA COMPUTER. SYS GROUND CHECK NORMAL OPERATION.