What was found
WHILE IN CRUISE, CO-PILOTS PFD WENT BLANK. CREW REVERTED DISPLAY TO MFD (CTR) SCREEN AND CONTINUED TO DESTINATION WITHOUT INNCIDENT. REMOVED CTR MDF DISPLAY (DU1080) AND INSTALLED IN NR 2 (COPILOTS) PFD POSITION. REMOVED NR 2 (CO-PILOTS) PFD DISPLAY (DU1080) UNIT FAILED ENROUTE) AND INSTALLED IN MFD POSTION. WORK PERFORMED IAW AMM 34-26-00 MX PRACTICES PARA 10. MMEL 34-12 CTR DISPLAY INOPERATIVE-CAT C ITEM: RELIEF EXPIRES 01/07/2011.