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: DURING CLIMB ENGINE 2 COWL ANTI-ICE LIGHT ILLUMINATED; AIRCRAFT DIVERTED TO AND LANDED SAFELY AT ORD. REMOVED AND REPLACED NUMBER 2 ENGINE COWL ANTI-ICE VALVE. OPERTIONAL CEHCK GOOD. PER AMM 30-21-11.