As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A ROUTINE 100-HOUR INSPECTION, DISCOVERED FIVE OF THE CABIN AND COCKPIT PLASTIC SIDE OUTER WINDOW PANELS HAD MELTED AND DETERIORATED DEPRESSIONS ALONG THE BOTTOM HORIZONTAL EDGES WHERE THE WINDOW MEETS THE AIRFRAME. THE SUSPECTED CAUSE IS FROM PAINT STRIPPER CONTACTING THE PLASTIC WINDOWS.