As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT ENGINE ANTI-ICE VALVE FAILED TO OPEN AUTO AND ON. RERACKD EAI CONTL CARD PER MM 30-21-01. SYSTEM CHECKS GOOD, ALSO ACP'D ENGINE RUN INDICATIONS AND OPS OF RT EAI VALVE GOOD. REPLACED CARD (P/N 810505-3 / SERIAL# 28) - POSIT 2 DUE TO PROBLEMS WITH THE RT EAI CARD REPLACE CARD WITH 483-9042 IAW 30-21-01. REPLACED RIGHT EAI CARD P84- A6 PER MM, CONDITION NORMAL.