As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON APPROACH TO CAK, THE CREW WAS RECEIVED ERRATIC INDICATIONS FROM THE LOCALIZER ON TWO ATTEMPTS. THE CREW ALSO RECEIVED A FLAP OVER SPEED INDICATION OF 6 KNOTS. THE CREW THEN DIVERTED TO CLE. MAINTENANCE WAS SENT FROM CAK TO PERFORM A FLAP OVERSPEED INSPECTION AND REPLACE THE NR 2 NAV UNIT IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 34-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.