What was found
GW 190,000 REF SPD 160KTS AT FLAPS 1.EICAS MSG L/E SLAT DISAGREE AND LEADING EDGE LIGHT ILLUM.ACCOMPLISHED QRH WHICH LED TO LEADING EDGE ASSYMETRY CHECKLIST. T/S PER FIM TASK 27-51-00/101 FIG 104 WHICH LED TO OVERLOAD TRIP ON NR 8 SLAT. REMOVED AND REPLACED NR 8 SLAT ROTARY ACTUATOR IAW A MM 27-81-18-024-001. OPERATED SYSTEM SEVERAL TIMES PER ABOVE REF WITH NO FURTHER FAULTS FOUND. OK TO CONTINUE. ROTABLE PARTS CHANGE WAS INDICATED - TT 1450647 S/N OFF 06566 ACTUATOR, LE SL OFF 19-2781-9-0001 6566 ON 19-2781-9-0001 5487.