As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SLAT DISAGREEMENT ANNUNCIATOR ON DURING SLAT EXTENSION ON APPROACH TO MSP. ACCOMPANIED BY A ROLL TO THE LEFT. EXPERIENCED TURBULENCE AND BOTH SLATS EXTENDED. RETRACTED SLATS AND AN UNEVENTFUL NO-SLAT LANDING WAS MADE. MAINTENANCE LUBED ''T'' DUCT AND DEFERRED FOR ''T'' DUCT REPLACEMENT.