As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT DIVERTED, ACCOUNT LOSS OF FMC LATERAL GUIDANCE DISPLAYS. NO EMER WAS DECLARED & THE FLIGHT LANDED WITHOUT FURTHER INCIDENT. ACFT WAS PLACARDED IAW THE MEL & RETURNED TO SERVICE. R & R NR 1 FMC IAW MM 34-61-02, OPERATION GOOD. MEL WAS CLEARED.