As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON SLAT EXTENSION, THE SLAT DISAGREEMENT LIGHT ILLUMINATED ACCOMPANIED WITH A ROLL TO THE RT. CREW RECYCLED THE SLATS AND DISCREPANCY REPEATED INCLUDING ROLL TO THE RT. IN PROCESS OF APPLYING COM PROCEDURES, LIGHT WENT OUT AND LANDING WAS NORMAL. MAINTENANCE FOUND THE LT SLAT OUTBOARD FLANGE GUIDE WORN AND GROOVED. REPLACED THE FLANGE GUIDE. SYSTEM CHECKED OK.