As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING INSPECTION, THE AFT TAIL LIGHT WAS FOUND INOPERABLE. FURTHER INSPECTION REVEALED TAIL LIGHT LENS WAS HALF FILLED WITH WATER. THE INSTALLATION OF THIS LIGHT ASSEMBLY LENDS ITSELF TO THIS TYPE OF DAMAGE DURING OPERATION IN RAINY WEATHER. (X)