As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SLAT FAIL MESSAGE IN FLIGHT AFTER F/O SELECTED FLAPS UP. DECLARED AN EMERGENCY AND RETURNED TO FIELD, LANDED WITHOUT INCIDENT. FOUND RT NR 3 SKEW SENSOR CONNECTOR LOOSE. CLEANED AND RESECURED CONNECTION IAW SWPM CHAPT 20-61-20 MM, OPS CHECK GOOD. CLEANED AND SECURED ALL SKEW SENSORS FOR LT AND RT SENSORS.