As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE CREW REPORTED THAT THE NR 2 MFD CIRCUIT BREAKER TRIPPED, THE SCREEN BLANKED AND AN ELECTRICAL BURNING ODOR WAS NOTICED. MAINTENANCE REMOVED AND REPLACED THE NR 2 MFD, OPS TESTED WITH NO DEFECTS NOTED, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.