As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON ACARS VERIFY FUEL GROSS WEIGHT. WENT TO PERFORM FUEL LINE WAS BLANK. AFTER ABOUT 10 SECONDS FUEL CAME BACK. ACFT GROUNDED. ACCOMPLISHED GROUND TEST OF THE FQIS IAW AMM 28-41-00-703-801, TASK PASS, AND FMC GROUND TEST GOOD IAW AMM 22-11- TASK 811/812. TEST GOOD.