As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LOST RIGHT FMC IN FLIGHT (1 HOUR INTO FLIGHT) FOLLOWED QRH & WE STAYED IN SINGLE FMC (LEFT ON, BOTH ON LEFT). GROUNDED - YES. RELEASED PER MEL 34 -36J RIGHT HAND FMC INOP AUTHORIZED BY SEAMC DAN @ 0015Z.ENROUTE MEL - ACCOMP B737-900 FIM TASK 34-61 #836 SYS RESTORED. SYS OPS CKS NM PER 34-61-00, GND VERIFICATION SUCCESSFUL. THIS CLEARS MEL 34-36J, FLT CREW PLACARD REMOVED.