As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT DIVERTED TO MIA DUE TO A FUEL USED AND FUEL ON BOARD DISAGREE ECAM MESSAGE. THE AIRCRAFT LANDED SAFELY AT MIA WITHOUR FURTHER INCIDENT. MAINTENANCE ACCOMPLISHED A RESET IF THE FUEL QUANTITY INDICATING SYSTEM PER AMM 28-40-00. A SATISFACTORY OPERATIONAL AND BITE CHECK WAS ACCOMPLISHED WITH NO FAULTS NOTED AT THIS TIME.