What was found
AFTER SELECTING FLAPS FROM 20 TO 30 FOR APPROACH LE SLAT DISAGREE EICAS WITH ASSOCIATED LEADING EDGE DISCRETE LIGHT ANNUNCIATED. EXECUTED MISSED APPROACH, RAN QRH, DECLARED EMERGENCY WITH SPOKANE APPROACH CONTROL AND LANDED. EMERGENCY DECLARED. TROUBLESHOT PER FIM 27-81 F/T 815. FSEU SHOWED NO LRU FAILURES. CYCLED TE FLAP ALTERNATE SWITCH. LE SHUTDOWN ALERT DISAPPEARED AND ASSOCIATED LE ANNUNCIATOR EXTINGUISHED. CYCLED FLAPS SEVERAL TIMES. ALL OPERATION AND INDICATIONS NORMAL ON GROUND @ THIS STATION.