As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT FUEL QUANTITY INDICATOR BLANKED OUT DURING CLIMB THROUGH FL180. REMAINED OFF FOR APPROX 15 MINUTES. RETURNED AND REMAINED ON FOR REMAINDER OF FLIGHT. GROUNDED - YES. FOUND FAULT CODE 28-41209 PROCESSOR FAILED, REMOVED & REPLACED FUEL QUANTITY PROCESSOR UNIT PULLED & RESET 3 ASSOCIATED C.B.'S. ACCOMPLISHED FQIS OPERATIONAL TEST AMM 28-41-00 OPS CHECK NORMAL.