As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED AN INTERMITTENT "FUEL IMBALANCE" CAS MESSAGE. TROUBLESHOOTING INDICATED THAT THE FCMU WAS DEFECTIVE P/N 975.37.31.334. INSTALLED A REPAIRED UNIT PER THE PC12/47E AMM, FUNCTIONAL CHECKS SATISFACTORY. NOTE: THIS HAS BEEN THE 3RD FCMU REPLACED IN THIS AIRCRAFT IN 12 MONTHS, ALL 3 HAVE HAD SIMILAR DISCREPANCIES.