What was found
DURING TAKEOFF THRUST INCREASE, TAKEOFF ROLL, TAKEOFF WARNING HORN SOUNDED FOR, LE FLAPS TRANSIT, LIGHT ON FWD FLAP PANEL. ABORTED AT APPROX 30 - 40 KNOTS. AFTER RNWY EXIT, LE FLAPS TRANSIT LIGHT ILLUMINATED INTERMITTENTLY WITH ASSOCIATED AMBER LIGHT ON OVERHEAD FOR NR 1 SLAT. LIGHTS CAME ON & OFF APPROX 10 - 15 TIMES BEFORE WE RETRACTED FLAPS & RETURNED TO BLOCKS. LAST LEG SHOWED FAULT 27-81201, SLAT 1 INBD SENSOR. FAULT IS INTERMITTENT, WITH NO HISTORY. IAW FIM TASK 27-88-00-810-804, OPERATED SLATS, INDICATIONS NORMAL WITH FSEU SHOWING TARGET NEAR CONDITIONS & FAR CONDITIONS WHEN APPLICABLE. NO EXISTING FAULTS DURING FSEU BITE.