What was found
"DATALINK FULL" MESSAGE DISPLAYED ON MCDU AT GATE. ACFT GROUNDED. PERFORMED FMC DISAGREE ON GROUND RESET QRH PROCEDURE. FMC RESTORED NORMAL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
"DATALINK FULL" MESSAGE DISPLAYED ON MCDU AT GATE. ACFT GROUNDED. PERFORMED FMC DISAGREE ON GROUND RESET QRH PROCEDURE. FMC RESTORED NORMAL.