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 5 CABIN WINDOWS WITH CRACKS GOING THROUGH 50 PERCENT OF THE SCREW HOLES. CRACKS FOUND AFTER PRESSURIZING THE AIRCRAFT AND PUT SOAP ON WINDOWS. AFTER REMOVING RETAINERS, CRACKS WERE WHERE THEY WERE MARKED FOR LEAKS. WINDOWS NEED TO HAVE CLOSER INSPECTION WITH A PRISM, WITH HIGH TIME ON THEM.