As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAH - FLIGHT 2890, DURING PRE-FLIGHT INSPECTION THE CREW REPORTED A SMOKE SMELL IN THE COCKPIT. MAINTENANCE INSPECTED THE AIRCRAFT AND REMOVED AND REPLACED THE CAPTAINS PFD (PRIMARY FLIGHT DISPLAY), OPERATIONALLY CHECKED WITH NO DEFECTS, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.