What was found
DURING APPROACH INTO MBS, SLAT DISAGREEMENT LIGHT ILLUMINATED AND AIRCRAFT ROLLED TO THE RIGHT. CYCLED SLATS WITH NO HELP. FIRST OFFICER VISUALLY CONFIRMED RIGHT SLAT TO BE APPROXIMATELY 3 INCHES SHORT OF FULL EXTENSION. SLATS EVENTUALLY ACHIEVED NORMAL CONFIGURATION. AIRCRAFT LANDED WITHOUT INCIDENT. LUBRICATED SLAT T-DUCTS. CYCLED SLAT SEVERAL TIMES WITH NO PROBLEMS FOUND. AIRCRAFT RETURNED TO SERVICE.