What was found
AFTER TAKEOFF, PERFORMING THE AFTER TAKEOFF CHECKLIST, WHEN FLAPS WERE POSITIONED FROM 5 TO 20, L/E FLAPS AMBER LIGHT ILLUMINATED. PERFORMED LEADING EDGE DEVICE FAILURE DURING FLAP RETRACTION CHECKLIST. RETURNED TO DEPARTURE, INSTALLED NR 6 RT LEADING SLAT ACTUATOR REF MM 27-81-032-4. OPS AND LEAK CHECKED GOOD. R & R NR 8 L/E SLAT IAW MM 27-81-032-4. R & R NR 7 SLAT ACTUATOR IAW MM 27-81-032-4. OPS AND LEAK CHECKED GOOD. NO OTHER DEFECTS NOTED AT THIS TIME.