What was found
DURING TAXI AFTER FLIGHT, APU WAS STARTED, AND AND ONCE THE APU BLEED WAS SELECTED ON WE NOTICED SMOKE FILLING THE COCKPIT AND CABIN. APU BLEED SELECTED OFF AND AIRCRAFT WAS SHUT DOWN. EVACUATION CHECKLIST FOLLOWED, SMOKE DISSIPATED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING TAXI AFTER FLIGHT, APU WAS STARTED, AND AND ONCE THE APU BLEED WAS SELECTED ON WE NOTICED SMOKE FILLING THE COCKPIT AND CABIN. APU BLEED SELECTED OFF AND AIRCRAFT WAS SHUT DOWN. EVACUATION CHECKLIST FOLLOWED, SMOKE DISSIPATED.