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 MESSAGE ON ARRIVAL INTO CLT. AIRCRAFT LANDED IN CLT WITHOUT INCIDENT. MAINTENANCE TROUBLESHOT, REMOVED AND REPLACED THE OUTBOARD ACTUATOR FOR THE RIGHT INBOARD (NR 1) SLAT AND PERFORMED CHECKS USING THE AIRCRAFT MAINTENANCE MANUALS. AIRCRAFT WAS RELEASED FOR SERVICE.