As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING APPROACH INTO RDU, SLAT DISAGREEMENT LIGHT ILLUMINATED WITH NO BLUE SLAT EXTEND LIGHT. AIRCRAFT ROLLED TO THE RIGHT AND FLIGHT ATTENDANT OBSERVED NO SLAT EXTENSION ON LEFT WING. CAPTAIN DECLARED A YELLOW EMERGENCY AND REQUESTED EQUIPMENT ON STANDBY AS A PRECAUTION. AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE LUBED LEFT WING ANTI-ICE TELESCOPE DUCT. OPERATIONAL CHECK NORMAL. AIRCRAFT RETURNED TO SERVICE.