As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
REPEAT OF FALSE RT OUTER FUEL QUAN LO LEVEL ECAM WARNING. ALL OTHER INDICATIONS NORMAL. LAX U FUEL LEVEL AMPLIFIER HAS HARD FAULT "R FUEL LO" WHEN INSTALLED IN RACK. WHEN SERVICEABLE FUEL LEVEL AMPLIFIER INSTALLED, FAULT DOES NOT COME BACK. TEMP INSTALLED TWICE, NO ALERTS NOTED. REMOVED AND REPLACED FUEL LEVEL AMPLIFIER IAW MM 28-46-23-4. OPS CHECK GOOD.