As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO DFW DUE TO E-12 CIRCUIT BREAKER WHICH POWERS THE ECAM PAGES POPPED PREVENTING THE FLIGHT CREW FROM BEING ABLE TO MONITOR THE ECAM SYSTEM. THE AIRCRFT LANDED SAFELY AT DFW WITHOUT FURTHER INCIDENT. MAINTENANCE INSPECTED THE E-12 CICUIT BREAKER AND ECAM CONTROL PANLE CONNECTORS PER WDM 31-54-87 WITH NO DEFECTS NOTED. MAINTENANCE REPLACED ECAM CONTROL PANEL PER AMM 31-61-12 AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK.