As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTED SMELLING FUEL WHEN THE COMBUSTION HEATER WAS RUNNING. MAINTENANCE FOUND FUEL SPRAYING FROM A GASKET JOINT ON THE REGULATOR SIDE OF THE HEATER FUEL SHUTOFF AND REGULATOR VALVE. THIS VALVE WAS REPLACED FOR LEAKING IAW AD. THIS VALVE WAS INSPECTED FOR LEAKS DURING THE OPS CHECK OF THE HEATER AS PART OF THE ANNUAL INSPECTION ON 11-9-2004, 93.7 AIRCRAFT HOURS PRIOR TO THIS FAILURE. (K)