As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MULTIPLE ALERTS AND FAULTS VIA THE AHEAD-PRO SYSTEM. ELECTED TO RETURN TO FIELD AND ACCOMPLISHED UNEVENTFUL LANDING. REMOVED FROM SERVICE. PERFORM FLIGHT CONTROL SYSTEMS RETURN TO SERVICE TEST. PERFORMED FLIGHT CONTROL RETURN TO SERVICE TEST IAW E175 TASK CARD E175-27-00-00-070-801-A. TEST PASSED AIRCRAFT IS GOOD FOR CONTINUED SERVICE.