As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CENTER FUEL QUANTITY INDICATOR GOES BLANK AND TOTAL QUANTITY INDICATOR GOES BLANK . HAPPENS RANDOMLY. IT OCCURRED 3 TIMES WHILE ON DESCENT. AFTER ABOUT 5 SECONDS THE INDICATORS RETURNED TO NORMAL. ACFT GROUNDED. PERFORMED FQIS BITE 28-41TASK 808. REQUIRES FQPU REPLACEMENT. REMOVED AND INSTALLED NEW FQPU REF1-81. OPS CKD SYS IAW 28-41-00. SYS CKS NORMAL.