As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX - FLIGHT 2058 - WHEN APPLYING ELECTRICAL POWER TO THE IRU AND FMS. SMOKE NOTICED FROM THE AREA BETWEEN THOSE UNITS AND THE RADAR INDICATOR. MAINTENANCE POWERED UP EACH UNIT ON IT'S OWN. THE RADAR DISPLAY (INDICATOR) STARTED TO SMOKE. REPLACED THE RADAR INDICATOR. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.