As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUEL LEAKING FROM OVERBOARD DRAIN DETECTED AFTER ENGINE SHUTDOWN FROM GROUND RUN LEAK CHECK FOR PERFORMED MX NOT ASSOCIATED WITH THIS FAILURE. TROUBLESHOOTING IAW MM REVEALED THAT THE FCU HAD FAILED, LEAKING FUEL AT A RATE WELL ABOVE THAT ALLOTED BY MFG. CONFERENCE WITH THE TECH REP CONFIRMED OUR FINDINGS THAT THE FCU REQUIRED REMOVAL AND REPLACEMENT. THIS ACFT IS CURRENTLY OUT OF SERVICE AWAITING A REPLACEMENT FCU.