As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT AFIS SLIDING SCREEN FROZE IN FLIGHT WITH A COMPLETE NCU LOCKUP. AFTER LANDING TO ATTEMPT A POWER DOWN RESTART OF AFIS, AN ELEC BURN SMELL NOTICED IN CABIN, AFTER MISSION POWER WAS REMOVED ELEC BURN SMELL DISAPPEARED, REPLACED NCU FAN.