What was found
BOTH BATTERIES ON, ESSENTAIL AVIONICS ON, PLUGGED IN GPU AND SWITCHED TO EXTERNAL POWER. WITHIN ONE MINUTE GOT ELECTRICAL BURNING ODOR AND LIGHT SMOKE IN THE FLIGHT DECK. PULLED BREAKER G-18.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
BOTH BATTERIES ON, ESSENTAIL AVIONICS ON, PLUGGED IN GPU AND SWITCHED TO EXTERNAL POWER. WITHIN ONE MINUTE GOT ELECTRICAL BURNING ODOR AND LIGHT SMOKE IN THE FLIGHT DECK. PULLED BREAKER G-18.