As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
YYC-PHX - BURNING SMELL - SMOKE AND ELECTRICAL BURNING SMELL IN COCKPIT. FOUND CIRCUIT BREAKER AB7 GROUND POWER PROTECTION TRIPPED. INSPECTED MAIN E&E BAY, BATTERY BAY, CIRCUIT BREAKER PANELS, AND FORWARD E&E BAY. FOUND BURNING SMELL FROM GPCU. REMOVED AND REPLACED GROUND POWER CONROL UNIT (GPCU) PER AMM 24-41-34-000-001. RESET CIRCUIT BREAKER AB7. PERFORMED TEST OF THE GPCU PER M/M 24-41-00-740-002. OPERATIONAL CHECK GOOD.