What was found
AIR TURNBACK, DUE TO AN AVIONICS VENT EXTRACT FAULT ECAM WARNING WITH A BURNING ODOR REPORTED BY THE CREW DURING CLIMB OUT. REPLACED THE EXTRACT FAN AND THE VMU.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIR TURNBACK, DUE TO AN AVIONICS VENT EXTRACT FAULT ECAM WARNING WITH A BURNING ODOR REPORTED BY THE CREW DURING CLIMB OUT. REPLACED THE EXTRACT FAN AND THE VMU.