As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: ENGINE NUMBER 2 ANTI-ICE CAUTION LIGHT ILLUMINATED. AIRCRAFT DIVERTED TO AND LANDED SAFELY AT DFW. REMOVED AND REPLACED (PRSOV)-PRESSURE REGULATOR VALVE, PER AMM 36-11-04-401. PREFORMED OPS AND LEAK CHECK GOOD, ENGINE 2 ICE CAUTION MESSAGE NO LONGER ILLUMINATED NO FURTHER DEFECTS NOTED.