What was found
AFTER TAKEOFF NR 6 LED FAILED TO RETRACT, COMPLIED WITH QRH AND RETURNED TO MEM. JUMPER INSTALLED ON NR 6 KRUEGER FLAP. DETERMINED TO BE INDICATION PROBLEM, CYCLED FLAPS SEVERAL TIMES- INDICATIONS NORMAL, REF MM27-82-000-1. REMOVED JUMPER FROM NR 6 KRUEGER FLAP AND CONNECTED C/P CYCLED FLAPS PER MM 27-82-001-4, OPS CK NORMAL.