As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RETURNED TO ORD DUE TO A LEADING EDGE SLAT PROBLEM. *S/D* POSITION NR 15 LEADING EDGE SLAT ACTUATOR FAILED WHICH CAUSED SYSTEM BINDING AND SHUTDOWN OF THE SLAT SYSTEM AT THE POWER DRIVE UNIT. ALSO, THE OVERLOAD INDICATOR POPPED. REPLACED THE NR 15 SLAT ACTUATOR, RESET OVERLOAD INDICATOR, OPS CHECKED NORMAL.