What was found
ON FLAP RETRACTION FROM 2 DEGREES TO 0 DEGREES THE AMBER LEADING EDGE FLAP LIGHT REMAINED ON. SECOND OFFICER'S AUXILIARY PANEL POSITION INDICATOR SHOWED THAT THE NR 7 LEADING EDGE DEVICE WAS INTRANSIT. COMPLETED CHECKLIST FOR LEADING EDGE DEVICE FAILURE ON FLAP RETRACTION. LEADING EDGE DEVICES NORMAL AT FLAP 5 DEGREES PER CHECKLIST LANDED WITH 30 DEGREES FLAP NORMAL LEADING EDGE DEVICES. CLEANED NR 7 SLAT ACTUATOR CANNON PLUG, OPERATIONAL CHECKED SEVERAL TIMES ON GROUND AND OPERATIONAL CHECK GOOD.