What was found
TRIM TANK ISOLATION VALVE NOT OPEN, ACCOMPANIED BY ALL X'S ON ECAM FUEL PAGE, TOTAL FUEL INDICATION, AND CG/GW INDICATIONS. ALSO,RT INNER AND RT OUTER INDICATIONS ON BACK-UP FUEL INDICATORS WERE BLANK. DIAGNOSED AS AN FQI FAULT. TRIPPED AND RESET CIRCUIT BREAKERS P60 AND P61 ON 132VU PANEL, THE FAULT CLEARED. PREFORMED AN OPERATIONAL (BITE) TEST IAW AMM 28-42-00-05-02, ONLY FAULT CODE 631, ACTUATOR 1 NOT INSTALLED. SYSTEM OPS NORMAL, ACFT OK TO CONTINUE.