What was found
L/E FLAPS TRANSIT AMBER LIGHT FORWARD PANEL ILLUMINATES AND REMAINS ILLUMINATED AT ALL FLAP POSITIONS 1-15. LE TRANSIT LIGHT QRH ACCOMPLISHED. 15 FLAP LANDING ACCOMPLISHED PER CHECKLIST. OVERHEAD LE FLAPS ANNUNCIATOR WAS ALL GREEN APPROPRIATE TO FLAP POSITIONS 1 THROUGH 15 BUT JUST FORWARD PANEL AMBER. / [01] PERFORMED FIM 27-88 TASK 805 FOUND L/E FLAP #1 RETRACT FAULT. R/R L/E FLAP #1 RETRACT PROXIMITY SENSOR IAW AMM 27-88-11 OPS CHECK OK NO FAULTS FOUND AT THIS TIME AMBER LIGHT OF L/E FLAP TRANSIT EXTINGUISHED.