As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CUN - FLT 1671 - EN ROUTE JFK-CUN, ON FINAL APPROACH, LEADING EDGE SLAT DISAGREE MESSAGE APPEARED UPON FLAP EXTENSION. UTILIZING ALTERNATE LEADING EDGE/TRAILING EDGE FLAP SWITCHES, EXTINGUISHED MESSAGE. LANDED AT CUN WITHOUT INCIDENT. REPLACED ROTARY ACTUATOR BEHIND NR 5 SLAT PANEL AND REPLACED THE NR 1 FLAP SLAT ELECTRIC UNIT. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)