As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING APPROACH, THE SLAT DISAGREEMENT LIGHT ILLUMINATED AND AIRCRAFT HAD A NOTICEABLE ROLL THE THE RIGHT WHEN SLATS EXTENDED. FOLLOWED COM PROCEDURES. FLAP/SLAT HANDLE WAS SPLIT. FLIGHT MADE AN UNEVENTFUL LANDING AT MSP. MAINTENANCE INSPECTION OF SLATS DETERMINED THE LEFT T-DUCT WAS BINDING. REPLACED T-DUCT. LUBED ALL SLAT TRACKS AND ROLLERS AND INSPECTED CABLES. OPERATIONAL CHECK NORMAL.