As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EN ROUTE MSP-MCO, FIRST OFFICER'S ATTITUDE INDICATOR FLAGGED WITH INTERMITTENT READINGS. FLIGHT DIVERTED TO ATL AND LANDED WITHOUT INCIDENT. REPLACED FIRST OFFICER'S ATTITUDE INDICATOR. OPERATIONAL CHECK NORMAL AND AIRCRAFT RETURNED TO SERVICE.