What was found
IN THE PROCESS OF PRE-DEPARTURE CHECKS, CREW REPORTED RIGHT FLIGHT MANAGEMENT COMPUTER (FMC) CENTRAL DISPLAY UNIT (CDU) BLANKED OUT WITH A BURNING SMELL. FMC CDU CIRCUIT BREAKER TRIPPED. AIRCRAFT GROUNDED FOR MAINTENANCE. GENERAL VISUAL INSPECTIONS OF CAVITY HOUSING RH FMC CDU SATISFACTORY. NO ADDITIONAL DAMAGES NOTED TO CABLES. BURNT ODORS ISOLATED TO RH FMC CDU ONLY. RH FMC CDU REMOVED AND REPLACED IAW BOEING 767-300 AIRCRAFT MAINTENANCE MANUAL 34-61-01. SUPPLY OF PROPER COOLING AIRFLOW TO RH FMC CDU VERIFIED GOOD PER B767 AMM 34-61-02. NO ADDITIONAL FAULTS NOTED.