As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RECEIVED AVIONICS VENT BLOWER FAULT AND A PUFF OF SMOKE. DECLARED AN EMERGENCY AND LANDED UNEVENTFULLY AT LBF (NORTH PLATTE, NEBRASKA). FOUND AVIONICS BLOWER FAN SEIZED. SWAPPED WITH EXTRACT FAN AND APPLIED MEL PROVISIONS FOR EXTRACT FAN. AIRCRAFT RETURNED TO SERVICE.