As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CAPT MCDU FAILED, THEN F/O MCDU FAILED-WENT BLANK. *S/D* THIS WAS CODED IN CHAPTER 45 NOT 34. BOTH THE CAPT'S AND FO'S MCDU CBS WERE RESET AND SYSTEM OP'S CHECK NORMAL. NO FURTHER MAINTENANCE HAS BEEN PERFORMED AND NO FURTHER PROBLEMS WITH THE MCDU HAVE HAPPENED.