What was found
ON DECENT OUT OF FL250 FIRST OFFICER SIDE WINDSCREEN STARTED TO CRACK AND PROPAGATE. LARGE CRACK ALMOST FULL LENGTH OF WINDSCREEN. FLIGHT 1365 - FILED CLOSED REMOVED AND REPLACED THE RH WINDSHIELD IAW CRJ 200 AMM 56-11-01 AND TASK CARD 56-220-1000-SKY COCKPIT WINDSHIELD AND SIDE WINDOW INSTALLATION. PERFORMED OPS CHECK OF THE WINDSHIELD TEMP CONTROL IAW CRJ 200 AMM 30-41-01, AND PRESSURIZED THE A/C IAW CRJ 200 AMM 21-32-00 TO CHECK FOR LEAKS, NO LEAKS NOTED AND OPS CHECK GOOD AT THIS TIME. A/C OK FOR SERVICE.