As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
OPERATOR COMPLAINED OF PRESSURIZATION PROBLEM. DURING CABIN PUMP UP, A LEAK WAS DISCOVERED AT THE RT PICTURE WINDOW. THE WINDOWS OUTER PANEL WAS FOUND TO BE CRACKED. THE CRACK LENGTH WAS DETERMINED TO BE 18 INCHES. THE CRACK WAS LOCATED AT THE UPPER FASTENER HOLES.