What was found
VENT AVIONICS SYSTEM FAULT DISPLAYED CAUSING RETURN TO FIELD. REPLACED THE AVIONICS EQUIPMENT VENTILATION COMPUTER. OPS CHECKED OK.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
VENT AVIONICS SYSTEM FAULT DISPLAYED CAUSING RETURN TO FIELD. REPLACED THE AVIONICS EQUIPMENT VENTILATION COMPUTER. OPS CHECKED OK.