As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT FLAP NR 3, FLAP AMBER LIGHT ILLUMINATED ON OVERHEAD PANEL AND FORWARD PANEL FLAP TRANSIT LIGHT ILLUMINATED. *S/D* A DEFECTIVE EXTEND PROXIMITY SENSOR ON THE NUMBER 3 SLAT WAS DETERMINED TO BE THE CAUSE OF THE DISCREPANCY. THE PROXIMITY SENSOR WAS REPLACED AND THE OPERATIONAL CHECK OF THE SYSTEM WAS NORMAL.