As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GENERATOR WOULD NOT STAY ON LINE, FOUND REVERSE CURRENT RELAY FULL OF WATER WHICH SHORTED RELAY. AIRCRAFT SAT OUTSIDE IN HEAVY RAIN. SUGGEST SEALING ELECTRICAL BOX WITH NEOPHRENE GASKET AND WIRE BUNDLE WITH SILICON. THIS AIRCRAFT IS A SOLOY CONVERSION.