As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CAPT PITOT HEAT FAILED IN CRUISE FLIGHT, THEN QUICKLY LOST CAPT AIR DATA INSTRUMENTS. CREW ACCOMPLISHED QRH AND AIR DIVERTED TO RFD (DIV) TO AVOID ICING CONDITIONS AT ORIGINAL DESTINATION. REMOVED AND REPLACED CAPT PITOT PROBE AS PER AMM 34-11-00. OPS TEST & LEAK CHECK GOOD AC REMAINS NO ETOPS. HEAT CHECKS OPS TEST GOOD PER AMM 30-31-00. A/C RETURNED TO SERVICE.