What was found
R WINDOW HEAT CAUTION MESSAGE. FOLLOWED QRH. ABOUT 10 MINUTES LATER THE RIGHT WINDOW HAD A CRACK IN IT. FOLLOWED THE QRH FOR CRACKED WINDOW. (FLIGHT 3074 - FILED CLOSED) REMOVED AND REPLACED RH SIDE WINDOW WITH SERVICEABLE UNIT PER AMM 56-11-01 AND SKYWEST TASK CARD NO 56-220-1000-SKY. PERFORMED LEAK CHECK PER AMM 56-11-01 AND OPS CHECK OF WINDOW TEMPERATURE CONTROLLER PER AMM 30-41-06. BOTH CHECKS GOOD AT THIS TIME. AIRCRAFT OK FOR RETURN TO SERVICE.