What was found
ON GROUND LOSS OF ALL AC POWER, SMELL OF SMOKE MULTIPLE CB'S TRIPPED. APU POWERING BUSSES AT TIME. REMOVED AND REPLACED C803 BREAKER AND APU GCU. RAN APU ENGINES ALL CHECK NORMAL PER BOEING MM.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ON GROUND LOSS OF ALL AC POWER, SMELL OF SMOKE MULTIPLE CB'S TRIPPED. APU POWERING BUSSES AT TIME. REMOVED AND REPLACED C803 BREAKER AND APU GCU. RAN APU ENGINES ALL CHECK NORMAL PER BOEING MM.