What was found
AIRCRAFT WAS GROUNDED: VENT BLOWER FAULT ECAM CAME ON DURING CLIMB, 25 MINUTES AFTER TAKE OFF. FLIGHT CREW ACCOMPLISHED ECAM PROCEDURE-BLOWER TO OVERRIDE-ECAM CLEARED, NO STATUS MESSAGES OTHER THAN PREVIOUS MEL MESSAGES. FLIGHT CREW REPORTED THEY NOTICED SLIGHT ODOR IN FLIGHT DECK ONLY WHICH DISSIPATED AFTER BLOWER TO OVERRIDE. THE FLIGHT ATTENDENTS HEARD SLIGHT NOISE COMING FROM RIGHT SIDE OF AIRCRAFT. MAINTENANCE FOUND THE AVIONICS BLOWER FAN SEIZED AND REPLACED IT PER AMM 21-26-51. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED WITH NO FAULTS OR ODORS NOTED.