As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 4143, CREW REPORTED THAT PRIOR TO NR 2 ENGINE START, EICAS FAILED (SCREEN BLANK) AND SMELLS. ELECTRICAL SMOKE NOTICED IN COCKPIT AND BY FLIGHT ATTENDANT. AIRCRAFT REMOVED FROM SERVICE. COMPLIED WITH GENERAL VISUAL INSPECTION OF PRIMARY EICAS CONNECTOR AND WIRING. REPLACED FIRST OFFICER’S MULTI FUNCTION DISPLAY UNIT. CHECKED GOOD IAW AMM 342201. AIRCRAFT RETURNED TO SERVICE.