As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GOT "SINGLE FMC OPERATION" MESSAGE FOLLOWED BY MAP AND VTK MESSAGES ON F/O DISPLAY. FOUND RIGHT FMC INOP. ACCOMPLISHED FIM 34 61 00 FMC OPERATION RETURNED TO NORMAL. ON SWITCHING TO AIRCRAFT GENERATOR FROM APU ELECTRIC POWER GOT "SINGLE FMC OPERATION " MESSAGE AND "MAP" AND "VTK" LIGHTS ON F/O DISPLAY. REPLACED RT FMC PER 34 61 02 400 801. OPS NORMAL.