What was found
CREW REPORTED SLAT FAIL MESSAGE ON APPROACH, CREW DID NOT DECLARE AN EMERGENCY BUT EMERGENCY VEHICLES WERE ROLLED. AC LANDED WITHOUT INCIDENT. MX CLEARED INHIBITS PER FIM, OPS CK GOOD. LATER THAT DAY MX REMOVED AND REPLACED BOTH LT & RT SLAT SKEW/ DISCONNECT SENSORS AND LT & RT SIDE SLAT HARNESSES.