As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING ACFT START, WHILE PERFORMING A LEAK CHECK ON THE ACFT THE AME DISCOVER A FUEL LEAK COMING FROM THE FUEL CAP LOCATION, TO DISCOVER THAT THE LEAK WAS FROM THE TRANSMISSION DECK, THE FUEL LINE HOSE WAS CUT FROM THE INSIDE AT FITTING AND SPRAYING FUEL INSIDE THE TRANSMISSION COMPARTMENT. ACFT WAS SHUTDOWN AND FUEL HOSE REPLACED.