As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: INBOUND TO DFW AN EMERGENCY WAS DECLARED DUE TO A FLIGHT CONTROL SLATS JAMMED AT "0" MESSAGE.. THE AIRCRAFT LANDED SAFELY AT DFW WITHOUT FURTHER INCIDENT. MAINTENANCE INSPECTED AND PERFORMED OPERATIONAL TEST OF THE SLAT SYSTEM AS PER TSM TASK 27-81-00-810-810-A WITH NO DISCREPANCES OR FAULTS NOTED.