As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LOST BOTH, LT & RT FMC ENROUTE. REGAINED RT FMC. CAPTAIN WAS IN VOR /LOC WHEN GOING BACK TO MAP. GOT VDK AND FMC FAILURE FLAGS. ACFT GROUNDED. FOUND NR 1 FMC COMPUTER VALID SIGNAL LIGHT OUT. CYCLED NR 1 FMC COMPUTER CIRCUIT BREAKER AND BOTH FMC OPS CHECKED GOOD. GROUND VERIFICATION OF BOTH FMC COMPUTERS NORMAL. REF TASK 34-61-00-710-801. NO HISTORY 30 DAYS.