As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MSP - ON FINAL APPROACH, SLAT DISAGREEMENT LIGHT ILLUMINATED. SLATS WERE VISUALLY CONFIRMED TO BE EXTENDED AND NO ROLL WAS NOTICED. EXECUTED GO-AROUND AND LANDED SAFELY WITHOUT INCIDENT ON SECOND ATTEMPT. CYCLED FLAPS AND SLATS SEVERAL TIMES AND DISCREPANCY COULD NOT BE DUPLICATED ON GROUND. AIRCRAFT RETURNED TO SERVICE.