As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED. WHEN FLAPS 10 SELECTED, LEADING EDGE FLAP TRANSIT LIGHT REMAINED AMBER. WITH GEAR DOWN AND 15 FLAPS SELECTED, LEADING EDGE LIGHTS WERE INTERMITTENT BETWEEN GREEN AND AMBER. EMERGENCY DECLARED LANDED WITHOUT INCIDENT. REPLACED NR 1 INBOARD SLAT SENSOR PER AMM 27-88-11 SYSTEM NORMAL.