As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUEL CONTROL UNIT IS LEAKING FUEL FROM A DIAPHRAM BREATHER HOLE IN THE CASING. THE LEAKING HOLE IS LOCATED BELOW AND SLIGHTLY IB OF THE PRESSURE REDUCING VALVE ATTACHED TO THE FCU. FUEL LEAK WAS INITIALLY OBSERVED AS A SEEP, PROGRESSING TO A LOW PRESSURE STEADY TRICKLE THROUGHOUT MULTIPLE ENGINE RUNS. ALL OTHER FUEL CONTROL FUNCTIONS WERE OPERATING NORMALLY.