As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING APPROACH INTO JAX, SLAT DISAGREEMENT LIGHT ILLUMINATED WITH ROLL TO THE RIGHT ON SLAT EXTENSION. SUCCESSFUL LANDING WAS ACCOMPLISHED USING FLAPS ONLY. MAINTENANCE FOUND BUILD-UP OF LUBE ON RIGHT T-DUCT. CLEANED LUBE AREA. ALSO, REPLACED RESTRICTOR VALVE AT SLAT CONTROL VALVE. OPERATIONAL CHECK NORMAL ON SLAT CYCLE. AIRCRAFT RETURNED TO SERVICE.