What was found
WHILE CONFIGURING FOR LANDING . WE GOT A L/E SLAT ASMY & DISCRETE LIGHT OCCURRED DURING APPROACH FLAPS @ 25 DEGS . MISSED APPROACH WAS ACCOMPLISHED & EMERGENCY WAS DECLARED. AFTER LANDING A/C GROUNDED BY MAINTENANCE. T/S PER FIM 27-58 FT 803. NO FAULTS NOTED AT THIS TIME. & AMM B767 27-61-00. 5 TIMES OPS CHECK NORMAL. & FIM 27-81 FT 809 . NO FAULTS NOTED AT THIS TIME L/P 38663-93/1 AIR CRAFT RETURNED TO SERVICE .