As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RT FMC FAILED IN FLIGHT. COMPLETED QRH PROCEDURE NO RESTORE OCCURRED. CONTINUED SINGLE (LT FMC GOOD ) FMC OPERATION WITH FMC SOURCE SELECTOR SWITCH SET TO "BOTH ON L". GROUNDED - YES. REMOVED AND REPLACED FMCS COMPUTER IAW B737-9 AMM 34-61-01A.