As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) SHORTLY AFTER TAKEOFF, CREW LOST RIGHT EFDU SCREEN FOLLOWED BY A BURNING SMELL. THE SYSTEM WAS ISOLATED AND BOTH AC BUSES WERE SHUT DOWN. AIRCRAFT LANDED SAFELY. UPON FURTHER INVESTIGATION BY MAINTENANCE IT WAS DETERMINED THE RIGHT ELECTRONIC FLIGHT DISPLAY UNIT WAS AT FAULT. THE RIGHT EFDU WAS REPLACED.