As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING APPROACH INTO DTW, SLAT DISAGREEMENT LIGHT ILLUMINATED WITH A ROLL TO THE LEFT. FLIGHT CREW DECLARED AN EMERGENCY AND NORMAL LANDING WAS ACCOMPLISHED USING FLAPS ONLY. MAINTENANCE RAN SLATS SEVERAL TIMES AND PROBLEM COULD NOT BE DUPLICATED. AIRCRAFT RETURNED TO SERVICE.