As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY DECLARED. LEADING EDGE FLAPS TRANSIT LIGHT ILLUMINATED DURING FLIGHT. STAYED ON AS FLAPS WERE EXTENDED. FLAPS WERE CYCLED UP AND DOWN AFTER PASSING BELOW 20,000 FEET. CREW RAN THE QRH PROCEDURES AND LANDED THE AIRCRAFT WITH FLAPS SET AT 15. LANDING UNEVENTFUL. ACCOMPLISHED BITE CHECK ON THE FLAP/SLAT ELECTRONICS UNIT SHOWING A SLAT NR 3 INBOARD PROXIMITY SENSOR DISAGREE. FAULT IS INTERMITTENT INACTIVE WITH NO HISTORY. OPS CHECKED GOOD IAW FIM 27-88-00-810-804.