As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING INSPECTION EVENT FUEL WAS OBSERVED COMING OUT OF THE DRAIN FOR THE COMBUSTION HEATER. THE FUEL PRESSURE REGULATOR WAS REMOVED AND FOUND TO LEAKING FROM PARTING SURFACE. PART WAS REPLACED PER SB. RECOMMEND MACHING THE HOUSING AND USING AN (ORING TYPE SEAL).