As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT HAD PROBLEMS WITH HOLDING 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 RETAINERS, CRACKS WERE FOUND WHERE MARKED. WINDOWS NEED TO HAVE CLOSER INSPECTION WITH A PRISM, WHEN THEY HAVE HIGH TIME.