As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LAX INFLIGHT T437/24APR DFW TO SNA - CREW REPORTED AMBER LEADING EDGE FLAP INDICATION WITH AMBER NUMBER THREE SLATS TRANSIT LIGHT. FLIGHT DIVERTED TO LAX. LANDED WITHOUT INCIDENT. REPLACED SLAT NUMBER THREE INBOARD PROXIMITY SENSOR. SYSTEM GROUND CHECKED NORMAL OPERATION.