As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT ENGINE ANTI-ICE VALVE INDICATION ILLUMINATED WITH SWITCH ON. RECYCLED SWITCH AND CIRCUIT BREAKER WITH NO HELP. RETURNED TO DFW AND LANDED OVERWEIGHT WITHOUT INCIDENT. REPLACED RIGHT ENGINE ANTI-ICE VALVE NOSE COWL AND PERFORMED OVERWEIGHT LANDING INSPECTION. SYSTEM GROUND CHECKED NORMAL OPERATION.