What was found
ON TAXI RECEIVED AN FMC DISAGREE PROMT FOLLOWED SHORTLY BY DUAL FMC FAILURE. ACFT GROUNDED. QRH PROCEDURE RESTORED, NORMAL FMC OPERATION.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ON TAXI RECEIVED AN FMC DISAGREE PROMT FOLLOWED SHORTLY BY DUAL FMC FAILURE. ACFT GROUNDED. QRH PROCEDURE RESTORED, NORMAL FMC OPERATION.