As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED A SLAT FAIL CAUTION MESSAGE ON TAKEOFF. CREW ELECTED TO RETURN TO CLT AND LANDED WITHOUT INCIDENT. MAINTENANCE INTERROGATED THE MDC AND FOUND NO FAULTS. MAINTENANCE PERFORMED OPERATIONAL CHECKS OF THE SLATS IN ACCORDANCE WITH THE AIRCRAFT MAINTENANCE MANUAL. OPS CHECKS WERE GOOD. AIRCRAFT WAS RELEASED FOR SERVICE.