What was found
AFTER TAKEOFF, AMBER "FAN DAMAGE R" CAS MESSAGE ILLUMINATED. THE RT ENGINE WAS STILL PRODUCING SUFFICENT THRUST AND NO VIBRATION WAS APPARENT. THE RT ENGINE THRUST MODE INDICATOR DISPLAYED "T/O" IN AMBER AND REMAINED ON AFTER ENGINE SHUTDOWN. DURING THE TAXI BACK TO PARKING, AN AMBER "FADEC FAIL R B" MESSAGE ILLUMINATED. AFTER REBOOT, BOTH CAS MESSAGES EXTINGUISHED AND R ENG FADEC MANUALLY SELECTED TO "B". GAINED ACCESS TO RT FADEC 'B' IN AFT BAGGAGE AREA. REMOVED RT B FADEC. INSTALLED REPAIRED UNIT INTO RT 'B' POSITION. SECURED ACCESS. PERFORMED ENG RUN FOR FADEC FUNCTIONAL TEST. OPS CHECK GOOD. ALL WORK IAW MM CHAPTER 76-12-00.