What was found
VENT BLOWER FAULT DISPLAYED IN THE UPPER ECAM SCREEN TECH SUOV UPDATE DURING TAXI TEST WHILE THE NUMBER 1 GEN WAS FLUCTUATING THE VENT BLOWER CIRCUIT BREAKER TRIPPED AND WOULD NOT RESET PLEASE INSPECT CONTACTOR 8HQ FOR ANY SIGNS OF BURNING PERFORMED INSPECTION OF CONTACTOR 8HQ PER ESPM 20-45-24-01. FOUND NO FORMS OF ARCING OR BURNING OF THE CONTACTOR. REPLACED 8HQ CONTACTER PER ESPM 20-45-24-01 PRECAUTIONARILY. REPLACED AVIONICS VENT BLOWER MOTOR 20HQ REF AMM 21-26-51-400-001-A. RESET 20 AMP "AVNCS VENT BLOWER FAN" CIRCUIT BREAKER ON LOWER CB PNL. PLEASE MONITOR DURING AIRCRAFT POWER UP. INSTALLATION TEST PASSED, REF AMM 21-26-51-400-001-A. FAULTS CLEARED.