As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON ARRIVAL, BOTH WING ANTI-ICE LIGHTS WENT OUT AND THE NR 1 TAI LIGHT WENT OUT. ALL THREE LIGHTS WOULD NOT TEST. NOTICED THE NR 1 ENGINE, ENGINE & WING CONTROL CIRCUIT BREAKER TRIPPED. ACFT GROUNDED. TROUBLESHOT THE SYSTEM IAW FIM 30-11, TASK 810. DISCONNECTED CONNECTOR DP1103. CIRCUIT BREAKER STILL TRIPS. REMOVED AND REPLACED ENGINE AND WING ANTI-ICE PANEL IAW AMM 30-11-41. TROUBLESHOOTING FOUND WING ANTI-ICE VALVE STUCK IN TRANSIT. REMOVED AND REPLACED THE WING ANTI-ICE VALVE IAW AMM 30-11-11. OPS NORMAL, LEAK CHECKED GOOD.