As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
A BLUE FUEL STAIN ON HORIZONTAL FIREWALL WAS FOUND DURING PREFLIGHT. FURTHER EXAMINATION WITH A LIGHT AND INSPECTION MIRROR, AND OBSERVING AN ONGOING DRIP EVERY 35 SECONDS, EASILY CONFIRMED THAT FUEL WAS COMING FROM CENTER STUD, WHERE WIRE TERMINAL RING ATTACHES, ON FUEL TRANSMITTER.