What was found
DURING APPROACH, SLAT DISAGREEMENT LIGHT ILLUMINATED ON INITIAL SLAT EXTENSION WITH A ROLL TO THE LEFT. RECYCLED SLATS WITH SAME RESULT, AN UNEVENTFUL LANDING WAS ACCOMPLISHED USING FLAPS ONLY. MAINTENANCE FOUND NR 2 TELESCOPE DUCT LOOSE AND CRACKED. REPLACED DUCT ASSEMBLY, OPERATIONAL CHECK NORMAL.