As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CAPT SIDE WINDOW CRACKED AT FL340. DECLARED EMERGENCY. / REMOVED AND REPLACED THE LH SIDE WINDOW IAW CRJ900 AMM 56-12-01-000/400-801-A01-PSA. LEAK CHECK GOOD. PERFORMED OPS CHECK OF TEMPERATURE CONTROLLER IAW CRJ900 AMM 30-41-06-710-801-A01, OPS CHECK GOOD.