As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 MFD WENT COMPLETELY BLANK IN FLIGHT, NOTICED A SLIGHT ODOR SO PULLED MFD BREAKER AS A PRECAUTION. REMOVED NR 1 MFD AND NOTICED SLIGHT ELECTRICAL ODOR COMING FROM MFD UNIT. INSPECTED ALL WIRING BEHIND MFD WITH NO DEFECTS NOTED. INSTALLED OVERHAULED MFD UNIT PEN MM 34-60-35. OPS CHECK GOOD. POWER APPLIED TO ACFT FOR APPROX 2 HOURS WITH NO ODORS PRESENT.