As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON ACFT POWER UP AT GATE SMOKE VISIBLE FROM BEHIND GLARESHIELD ECAM ELECTRIC CIRCUIT BREAKER TRIPPED ANNUNCIATOR LIGHT RELAY ESS 8LP DISPLAYED. MAINTENANCE REMOVED AND BURNED 1LPS CONTROL UNIT CIRCUIT BOARD, ANNUNCIATOR LIGHTS OPS CHECK IS GOOD.