As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAXI FOR TAKEOFF, SMELLED SMOKE, MFD STARTED TO DIM, SMOKE BEGAN TO POUR OUT FROM UNDER PANEL, SHUT DOWN ENGINE AND TURNED OFF ALL ELECTRICS. SUP REMOVED AND REPLACED MFD WITH A NEW UNIT PER EA 500 AMM 31-10-15. INSPECTED ALL AREAS FORWARD OF MFD AND PFD'S TO INCLUDE HARNESSESS AND CONNECTORS NO DEFECTS OR DAMAGE NOTED. PERFORMED ALL FUNCTIONAL CHECKS IAW AMM 31-10-00. ALL CHECKS GOOD.