What was found
F/O FMC HAS A MAGENTA LINE FROM TOP RIGHT TO BOTTOM. FMC FUNCTION NORMAL. ACFT GROUNDED. REPLACED F/O'S MCDU AND CYCLES OK IAW AMM 34-61-01, APB 400. GROUND VERIFICATION CHECK OK.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
F/O FMC HAS A MAGENTA LINE FROM TOP RIGHT TO BOTTOM. FMC FUNCTION NORMAL. ACFT GROUNDED. REPLACED F/O'S MCDU AND CYCLES OK IAW AMM 34-61-01, APB 400. GROUND VERIFICATION CHECK OK.