As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS SIGNIFICANT SYS - LEFT TANK INDICATED 7.9; RT TANK INDICATED 10.7 DURING DESCENT LT TANK INDICATION WENT BLANK 2-3 MINUTES. INTERROGATED FQIS PROCESSOR & FOUND C4 FAULT CODE. REPLACED LT TANK COMPENSATOR IAW AMM28-41-02. ACCOMP FUEL QTY BITE DRY CAPACITANCE TEST & INSUALTION RESISTANCE TEST FOR LT TANK IAW AMM28-41-00. OPS CK OK.