As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) LT WING AUX FUEL TANK INDICATION ALWAYS INDICATING (0). WHEN TESTING SYSTEM LT QUANTITY CAUTION LIGHT WON'T COME ON. DURING TROUBLESHOOTING, FOUND A LOT WATER TRAPPED UNDER THE ACCESS PANEL AND THE WIRING WAS CORRODED. WATER REMOVED AND CONNECTOR WILL BE REPLACED.