As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT MANAGEMENT COMPUTER SYSTEMS "CDU" FIRST OFFICER, DISPLAY BLANK. SELECTING ALT FMC DID NOT CORRECT FAULT. FIRST OFFICERS FMCS CDU CIRCUIT BREAKER POPPED AND ELECTRIC BURNING SMELL ALSO NOTED. REMOVED AND REPLACED FLIGHT MANAGEMENT PANEL PER AMM 34-61-02. OPS CHECKED GOOD, ACFT WAS GROUNDED.