As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CRUISING LEVEL AT 280 KTS ANTI ICE/STAB A/ICE FAIL DISPLAYED, RESET & FAIL WENT AWAY. THEN WING A/ICE FAIL, RESET & FAIL WENT AWAY. THEN E-1 A/ICE FAIL DID NOT GO AWAY AFTER RESET TILL ON APPROACH. R & R ENGINE PRSOV IRT AMM 36-11-05. LEAK CHECK OK. PERFORMED OPS CHECK OF ANTI ICING SYSTEM IAW AMM 30-00-00. NO DEFCTS NOTED. OPS CHECK OF BLD VLV GOOD IAW AMM 36-00-00