As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE MECHANIC NOTED THAT THE EXTERNAL DRAIN/DUCT WAS CLOGGED BY INSECTS AND DEBRIS CAUSING WATER TO INTRUDE INTO THE CABIN AND ONTO THE VEMD. THE MECHANIC CLEANED OUT THE DRAIN/DUCTING AND DRIED OUT ALL OF THE INSTRUMENTS AND ELECTRICAL CONNECTOR PLUGS. A GROUND RUN OF 30 MINUTES REVEALED ALL INDICATIONS TO BE NORMAL. THE ACFT WAS RETURNED TO SERVICE.