What was found
IN FLIGHT DENSE BLACK SMOKE CAME OUT OF THE COPILOTS AIR CONDITIONER VENT. SHORTLY AFTER THAT REAR BAGGAGE SMOKE ANNUNCIATOR ON THE MASTER WARNING PANEL ILLUMINATED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
IN FLIGHT DENSE BLACK SMOKE CAME OUT OF THE COPILOTS AIR CONDITIONER VENT. SHORTLY AFTER THAT REAR BAGGAGE SMOKE ANNUNCIATOR ON THE MASTER WARNING PANEL ILLUMINATED.