As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON APPROACH INTO DTW, SLAT DISAGREEMENT LIGHT ILLUMINATED. CREW DECLARED AN EMERGENCY AND AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED AND TESTED SLAT SYSTEM. NO PROBLEMS COULD BE FOUND. REPLACED LEFT AND RIGHT SLAT EXTEND SWITCHES AS A PRECAUTION. OPERATIONAL CHECK NORMAL.