As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
A/C AIR TURNBACK WITH PR. NR 6 KRUEGER FLAP FAILED TO RETRACT AFTER DEPARTURE. OPERATED FLAPS SEVERAL TIMES, FOUND NR 6 KRUEGER AND ALL FLAPS OPERATE NORMAL. FOUND L/E FLAP INTRANSIT AMBER LIGHT ON FWD PNL AND ON S/O''S PNL ILLUM. REPLACED THE NR 6 KRUEGER FLAP POS SWITCH. OPERATED FLAPS, OPS NORMAL. ALL INDICATIONS NORMAL.