As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS SIGNIFICANT SYS - LT FUEL TANK QTY BLANK ON FLIGHT AND WING GAUGES DURING FUELING, CAME BACK AFTER AT 5 MINUTES THEN BLANK AGAIN FOR A FEW MINUTES CYCLE REPEATS FREQUENTLY. ACCOMPLISHED FIM 28-41-00-1, TABLE 151 NO FAULTS FOUND. ACCOMPLISHED DRY CAP TEST IAW AMM 28-41-00-501, NO FAULTS FOUND. REPLACED FQIS PROCESSOR AS PRECAUTIONARY. GND OPS CK OK AMM 28-41-08.