As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW RECEIVED SLAT FAIL DURING APPROACH INTO SAT. CREW DECLARED EMERGENCY AND LANDED IN SAT WITHOUT INCIDENT. MAINTENANCE WAS DISPATCHED TO AIRCRAFT, TROUBLESHOT AND FOUND THE LT OUTBOARD SKEW SENSOR AT FAULT. MAINTENANCE REMOVED AND REPLACED THE LT OUTBOARD SKEW SENSOR, AND PERFORMED OPS CHECKS PER EMB AMM. AIRCRAFT WAS THEN RELEASED BACK INTO SERVICE.