As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB OUT, FLT CREW NOTED AN AVIONICS SMOKE ECAM MESSAGE. THE CREW DONNED OXYGEN MASKS AND CONTINUED TO FOLLOW THE APPROPRIATE PROCEDURES. THE FLIGHT DIVERTED TO IAD AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE AVIONICS EQUIPMENT VENTILATION COMPUTER. OPERATIONALLY CHECKS OK.