What was found
NR 2 SLAT FAILED TO RETRACT. RAN QRH AND NO HELP IAW QRH, FLAPS SET TO 5 DEG AND THEN RAN CONFIGURED ON SCHEDULE FOR RTB MEM. DISCONNECTED THE CONNECTOR PLUG ON THE NR 2 LT SLAT ACTUATOR AND LIGHT WENT OUT. REMOVED NR 2 SLAT ACTUATOR AND CHECKED ADJUSTMENT OF THE SWITCH (ADJ SWITCH TYPE ACTUATOR). COULD NOT ADJUST THE SWITCH TO AMM SPECS. REPLACED ACTUATOR ASSY WITH NON ADJUSTABLE SWITCH TYPE REF AMM 727-200-27-81-032-4. OPS AND LEAK CK WAS GOOD. L/E LIGHTS NOW ARE WORKING CORRECTLY.