What was found
LE FLAPS TRANSIT LIGHT CAME ON IN CRUISE AND WENT OUT CAME BACK ON RAN LE FLAP CKLIST REF FIM TASK 27-81 TASK 801, FSEU BITE PROCEDURE, NO CURRENT FAULT NOTICED. FLAP AND SLAT INDICATION NORMAL. FUALT HISTORY SHOWING MSG 27-81201, SL1 PROX INBOARD. OPERATED SLAT & FLAP FEWS CYCLE, NO FAULT NOTICED. ALL INDICATION NORMAL. PERFORMED LEADING EDGE FLAP AND SLAT PROXIMITY SENSOR TEST PER MM 27-88-11. TEST PASSED. ALSO CHECK GAP FOR OTBD & INBD SLAT SENSOR SL1 & SL3. FOUND SLAT 1 OTBD SENSOR GAP AT MAX .135 IN. ADJUSTED SL1 OTBD PROX SENSOR. SUSPECT BAD FSEU. R & R SLAT 1 INBD SENSOR & FSEU. OPS CHKD GOOD. CREW REPORTS LE TRANSIT LIGHT IN CRUISE, GATE ARRIVAL FOUND TE FLAPS FULLY RETRACTED WITH FLAP HANDLE UP, LE EXTENDED WITH #1 NOT FULLY UP. LE INDICATION SHOWS #1 LE INTRANSIT. FSEU SHOWS SL1 INBD, MESSAGE 27-81201 LATCHED.