As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) LATERAL CRACK RUNNING ALONG THE FASTENING SCREWS OF THE OUTBOARD WINDOW. THE CRACK COULD NOT BE SEEN WITH A PRISM AND WAS ONLY DETECTED WHEN IT SPLIT THE WINDOW IN TWO AT THE FORWARD CORNER DOWN TO THE MIDWAY POINT. SUBMITTER STATES THE CRACK PROBABLY CREPT AONG THE FASTENER LINE FOR SOME TIME BEFORE DETECTION.