As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUEL IMBALANCE 2600LBS AFTER 5 HOURS FLT. PROCESSOR FAULT HISTORY INDICATES RT MAIN DENSITOMETER MAY NEED TO BE REPLACED. RT WING DENSITOMETER WAS REPLACED ON PTT 9832010. FLOAT REPLACED ON PTT 9832014 ON 05MAY2007. REMOVED AND INSTALLED NEW RIGHT MAIN FUEL TANK DENSITOMETER. OLD S/N 5410, NEW S/N 1822. BITE CK GOOD. SUSPECT CALIBRATION DRIFT CAUSED FAULTY SENSOR INPUT.