As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT FMC FAILED DURING CRUISE. ACCOMPLISHED QRH UNABLE TO RESTORE LT FMC. ACFT GROUNDED. VERIFIED FAULT. OPEN & CLOSED THE CIRCUIT BREAKER FOR LT FMC. LT FMC RETURNED TO NORMAL IAW FIM 34-61 TASK 836. OPS TEST PASSED IAW AMM 34-61-00-710801.