As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED RIGHT COWL ANTI-ICE CAUTION MESSAGE IN FLIGHT. CREW DIVERTED AND LANDED WITHOUT INCIDENT. MAINTENANCE TROUBLESHOT, REMOVED AND REPLACED RIGHT ENGINE ANTI-ICE VALVE, ANTI-ICE PRESSURE SWITCH AND PRV (PRESSURE RELIEF VALVE) AND PERFORMED CHECKS USING AIRCRAFT MAINTENANCE MANUALS. AIRCRAFT RELEASED FOR SERVICE.