As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
OPERATOR CONTROL NR GXPA543E. WHEN TURNING ON EITHER AIRFRAME ANTI-ICE OR DE-ICE, BOTH ALTERNATORS FELL OFF-LINE. INTERIOR OF ACFT FILLED WITH SMOKE. ALTERNATOR WAS WIRED INCORRECTLY TO THE AIRCRAFT. SMOKE WAS CAUSED BY ALTERNATOR PHASES BEING OUT OF SYNC. SUBMITTER RECOMMENDS PROPER TRAINING OR REMOVAL/INSTALLATION PROCEDURES.