As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED STRONG ELECTRICAL SMELL IN COCKPIT. FIRST OFFICER OBSERVED SMOKE FROM AVIONICS BAY AREA. ALL AIRCRAFT SYSTEMS WERE OPERATING NORMALLY. REMOVED AND REPLACED INVERTER. NR 1 INVERTER WIRING AT A226 PANEL BROKEN AND LOOSE CAUSING ARCING. REPAIRED WIRING AS REQUIRED AND INVERTER. OPS CHECK SATISFACTORY.