As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CENTER FUEL TANK UNITS HISTORY OF BLANKING DISPLAY. ACFT GROUNDED. REMOVED AND REPLACED ALL CENTER FUEL TANK UNITS AND COMPENSATOR IAW IAW AMM 28-41-21-000-801, AND 28-41-21-400-801. PERFORMED FUEL QUANTITY INDICATING SYSTEM OPS TEST IAW IAW AMM 28-41-00-710-801. TEST CHECKED GOOD.