As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT NR 916 - SPN - MAINTENANCE FOUND NR 3 LEADING EDGE SLAT LEAKING HYDRAULIC FLUID ON GROUND. MAINTENANCE REMOVED AND REPLACED NR 3 SLAT ACTUATOR DUE TO CRACK IN THE ACTUATOR HOUSING SYSTEM LEAK CHECK AND OPERATION CHECK GOOD, MM REFERENCE 27-81-22. (M)