What was found
ROLLING FOR TAKEOFF, ENG INSTRUMENTS INOPERATIVE FOLLOWED BY ELEC BURNING SMELL & POPPED CB. LOCATED & REPLACED LIGHTING DIMMER CONTROL & POWER SUPPLY FOR INSTRUMENT LIGHTS. CONFIRMED INTERNAL FAILURE OF UNIT.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ROLLING FOR TAKEOFF, ENG INSTRUMENTS INOPERATIVE FOLLOWED BY ELEC BURNING SMELL & POPPED CB. LOCATED & REPLACED LIGHTING DIMMER CONTROL & POWER SUPPLY FOR INSTRUMENT LIGHTS. CONFIRMED INTERNAL FAILURE OF UNIT.