As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LAX - CREW REPORTED LEADING EDGE SLAT ASYMMETRY ECIAS AND LEADING EDGE LIGHT WITH FLAPS SELECTED AT 20 AND INDICATING 20 DURING APPROACH. EMERGENCY DECLARED FLIGHT LANDED LAX WITHOUT INCIDENT. PROXIMITY SENSOR TARGET BROKEN AT SLAT NUMBER 8 INBOARD TRACK. REPLACED SENSOR TARGET. SYSTEM GROUND CHECK NORMAL OPERATION.