As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CAPTAIN REPORTED THAT DURING CRUISE, THE RT SIDE WINDOW HEAT WITH FAULT CODE 304 022 42 DUE TO A CRACK ON THE LOWER RT CORNER WITH CORRECT CABIN PRESSURE. MAINTENANCE REPLACED THE RIDE SIDE OPERABLE WINDOW IAW AMM 56-11-02, TESTED CORRECT.