As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ORD - INFLIGHT DFW-MSP. CAPTAIN REPORTED RUDDER LIMITER LIGHT ILLUMINATED DURING CRUISE. FLIGHT DIVERTED ORD LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED RUDDER LIMITER HEATER PROBE. SYSTEM GROUND CHECK NORMAL OPERATION.