As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED A SLATS FAIL CAUTION MSG IN FLIGHT. CREW DECLARED AN EMERGANCY AND LANDED SAFETY LANDED IN CLT. MAINTENANCE INSPECTED AIRCRAFT USING THE AIRCRAFT MAINTENANCE MANUAL. MAINTENANCE REMOVED AND REPLACED THE FORWARD PDU AND TESTED AIRCRAFT PER THE AIRCRAFT MAINTENANCE MANUAL. AIRCRAFT WAS RELEASED FOR SERVICE.