As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT INNER TANK QUANTITY WENT TO ZERO READING IN LESS THAN A MINUTE. AFTER THE FQI CHAN SUPPLY 1 AND 2 C/B'S WERE RESET IAW QRH FUEL LEAK PROCEDURE ECAM SHOWED XX'S IN LT INNER AND TOTAL. FUEL QUANTITY READING RETURNED PASSING 12,700 FT. ON THE DESCENT. REMOVED AND REPLACED FQIC (15QT) IN REF TO A310 AMM 28-42-38-4. PERFORMED FQIC FUNCTIONAL TEST AND OPS CHECK IN REF TO A310 AMM 28-42-38-5. ALL FQIC SYSTEMS CHECK GOOD AT THIS TIME.