As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ANTI-ICE DUCT OVERHEAT WARNING MESSAGE. THE CREW DIVERTED TO NEAREST FIELD AND LANDED WITHOUT INCIDENT. MAINTENANCE REMOVED AND REPLACED RIGHT WING STANDBY SUFFICIENT HEAT SWITCH AND PERFORMED CHECKS IAW AMM. OPS CHECK GOOD, THE AIRCRAFT WAS RELEASED FOR SERVICE.