As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED MCO: FLIGHT CREW REPORTED FUEL USED AND FUEL ON BOARD DISAGREE. THE AIRCRAFT LANDED SAFELY AT MCO WITHOUT FURTHER INCIDENT AND TAXIED TO THE GATE UNDER ITS OWN POWER. MAINTENANCE ACCOMPLISHED TSM 28-11-00-810-805 FOR FUEL USED AND FUEL ON BOARD DISAGREE AND NO ISSUES WERE NOTED. NOTE: NO DISCREPANT PART WAS IDENTIFIED.