As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUEL STARTED SEEPING AROUND FITTING. ALUMINUM FITTINGS WERE USED IN ALUMINUM HOUSING. NO PIPE TAPE USED AND MINIMUM PIPE LUBRICATION. ON REMOVAL, IT WAS DIFFICULT TO TELL IF FITTING WAS STRIPPED ON INSTALLATION OR REMOVAL. HOWEVER, THERE WERE NO SAFETY WIRES USED ON FITTING OR PLUG.