As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS SIGNIFICANT SYSTEM - RIGHT FUEL TANK QTY INDICATOR FLUCTUATING. PER TECH SERVICE REPLACE LT DENSITOMETER DUE TO LT FUEL. REPLACED FUEL QTY TANK SYSTEM PROCESSOR PER AMM 28-41-08, FUEL QTY BITE CHECK OK. NO FAULTS NOTED. REMOVED AND REPLACED ELECT DENSITOMETER DETECTOR UNIT PER AMM 28-41-03 FUEL QTY BITE CK OK. NO FAULTS NOTED. LT FUEL QTY GOOD.