As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED AFTER TAKE OFF F/O'S R2 WINDOW CRACKED. CREW RETURNED TO PHX AND LANDED WITHOUT FURTHER INCIDENT. MX R & R R2 SLIDING WINDOW IAW AMWEST TASK CARD R1B56003. PRESSURIZATION CHECKS GOOD, NO LEAKS NOTED. WINDOW WAS HIGH TIME. CAUSE OF FAILURE WAS DETERMINED TO BE DUE TO WATER INGRESS, WINDOW WAS RESTORED AT VENDOR.