As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT 4286, DURING DESCENT CREW RECEIVED A PFD FAILED MESSAGE FOLLOWED BY SLIGHT ELECTRICAL BURNING ODOR. CREW PULLED PFD NR 1 CB AND ODOR SLOWLY EXTINGUISHED. ACFT REMOVED FROM SERVICE, ISSUED MEL 34-01. REMOVED AND REPLACE NR 1 PFD IAW EMB-145 MM 34-22-01. OPERATIONAL CHECK GOOD MEL ITEM RESTORED. AIRCRAFT RETURNED TO SERVICE.