As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTED SLAT FAIL MESSAGE ON EICAS DURING APPROACH, DECLARED EMERGENCY FOLLOWED QRH AND LANDED WITHOUT INCIDENT. MAINTENANCE WAS DISPATCHED TO A/C. TROUBLESHOT AND REMOVED AND REPLACED RIGHT HAND OUTBOURD SKEW SENSOR AND HARNESS. OPERATIONAL CHECK GOOD AND RETURNED A/C TO SERVICE.