As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 6433, ON APPROACH THE CREW CONFIGURED THE AIRCRAFT TO FLAPS 1 AND RECEIVED A SLAT FAIL EICAS MESSAGE. THE CREW FOLLOWED THE QRH AND COULD NOT REMEDY THE PROBLEM THEN DECLARED AN EMERGENCY DUE TO THE HIGH APPROACH SPEEDS. THE LANDING WAS WITHOUT INCIDENT. MAINT REMOVED AND REPLACED 2/3 SLAT SENSOR.