As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW - CREW REPORTED SLAT DISAGREE LIGHT WOULD NOT EXTINGUISH. EMERGENCY DECLARED FLIGHT RETURNED DFW LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. PROXIMITY BOX SHOWED FAULT FOR D SENSOR RIGHT WING. INSPECTED SENSOR AND FOUND DEBRIS STUCK IN PLUNGER ARM FOR SENSOR TARGET. CLEANED AREA. SYSTEM GROUND CHECK NORMAL OPERATION.