As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT CRUISE, ON TWO SEPARATE OCCASIONS, RT WING TANK FUEL GUAGE BLANKED FOR UP TO TWO MINUTES. GROUNDED - YES. ACCOMPLISHED FQIS BITE PROC, FOUND FAULT CODE 28-41209 PROCESSOR FAILED REF FIM 28-41 TASK 801. REMOVED & REPLACED FUEL QTY UNIT PROCESSOR REF AMM 28-41-81. ACCOMPLISHED OPERATIONAL TEST & FQIS BITE PROC, NO FAULTS SHOWN IN CURRENT STATUS AND GND TEST COMPLETE PASS, REF AMM 28-41-00-710-801.