As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LT NACELLE TANK SENDER WAS LEAKING OUT OF TOP OF NACELLE. SENDER SCREWS HAD BEEN TIGHTENED AND GASKETS REPLACED BUT STILL LEAKED. TECH FOUND ALUMINUM CONDUIT THAT SENDER WIRING IS ROUTED THROUGH IN TANK TO HAVE APPROX 10-15 PINHOLES IN IT FROM CORRODING FROM THE INSIDE OF ALUMINUM CONDUIT. FUEL LEAKS INTO CONDUIT AND UP TO TOP OF SENDER THEN WOULD LEAK OUT TOP AND DOWN/AFT ON NACELLE.