What was found
ON FINAL APPROACH, INITIAL FLAP LEVER MOVEMENT TO POSITION 1 RESULTED IN SLAT FAIL MESSAGE. RAN QRH, SLAT FAIL MESSAGE AGAIN ALONG WITH SHAKER ANTICIPATED AND SLAT/FLAP LEVER DISAGREE. SLATS STUCK AT 0, FLAPS WENT TO 2. DECLARED AN EMERGENCY, LANDED WITHOUT INCIDENT. MAINTENANCE REMOVED AND REPLACED SLAT HARNESSES 2/3 AND 3/4 AND SLAT SKEW SENSORS 2/3 AND 3/4.