As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLT - FLT 1699 - SHORTLY AFTER TAKEOFF FROM CLT, THE FIRST OFFICERS ADI FLAG CAME INTO VIEW AND BECAME UNRELIABLE. THE DECISION WAS MADE TO RETURN TO FIELD AT CLT FOR MAINTENANCE. FLIGHT LANDED WITHOUT FURTHER INCIDENT. NO EMERGENCY WAS DECLARED. MAINTENANCE REMOVED AND REPLACED THE FIRST OFFICERS ADI. OPERATIONAL CHECK AND FUNCTIONAL CHECK GOOD. (M)