As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUEL QUANTITY INDICATOR RIGHT MAIN TANK BLANKED TWICE FOR MAYBE TWO SECONDS BEFORE RECOVERING TO DISPLAY CORRECT VALVE. BLANK MEANS NO VALUE DISPLAYED AT ALL, COMPLETELY BLANK. GROUNDED - YES. REVIEWED IN FLIGHT FAULTS OF FQIS. LAST LEG AND SEVERAL OTHER LEGS FAULT "TANK 2 QTY BLANK" MSG 28-41209 PROCESSOR FAIL". REMOVED AND REPLACED FUEL QUANTITY PROCESSOR UNIT PER AMM 28-41-81-000-801/28-41-01-400-801. OPS CKS GOOD.