As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FMC P/RST ANNUNCIATOR LIGHT ILLUMINATED FOLLOW BY CAPTIANS VTR AND MAP FAILURE FLAG CDUS WENT TO MENU WITHOUT FMC LINE L-1. RESTORED NORMAL DISPLAYS WITH FMC SWITCH BOTH ON RT. ACFT GROUNDED. REPLACED LEFT FMC IAW AMM 34-61-02. OPS CHECKED GOOD.