As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: VENT BLOWER FAULT AMBER MESSAGE ILLUMINATED ON ECAM. ELECTRICAL SMELL AND VIBRATION WAS HEARD UNTIL VENTILATION BLOWER SWITCH WAS PUT IN OVERRIDE. MAINTENANCE REPLACED BLOWER FAN 20HQ PER AMM 21-26-51 AND ACCOMPLISHED A SATISFACTORY OPERATIONAL.