As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT HAD PROBLEMS WITHHOLDING PRESSURIZATION. FOUND 1 WINDOW WITH 50 PERCENT OF THE SCREW HOLES WITH CRACKS. CRACKS WERE FOUND AFTER PRESSURIZING THE AIRCRAFT AND PUTTING SOAP ON WINDOWS. AFTER REMOVING THE RETAINERS, CRACKS WERE FOUND WHERE MARKED. WINDOWS NEED TO HAVE CLOSER INSPECTION WITH A PRISM, WITH HIGH TIME ON THEM.