What was found
AFTER T/O, NR 4 L/E FLAP WOULD SHOW INTRANSIT, AMBER LIGHT ON SECOND OFFICER'S PANEL. COMPLIED WITH L/E DEVICE MALFUNCTION DURING FLAP RETRACTION A. NR 4 L/E FLAP W/N RETRACT, RETURNED TO MIA. REMOVED JUMPER FROM NR 4 L/E FLAP SWITCH AND RECONNECTED SWITCH. FUNCTION CHECKED TEST LEADING FLAPS PER MM 27-81-0 PAGE 512. BOTH FWD AND SECOND OFFICER'S PANEL AND L/E FLAPS NORMAL. WORK RELEASE ITEM NR 27-80/1079, CLEARED MOCC NOTIFIED.