As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) FLT CREW REPORTED THAT THE RT SIDE WINDOW CRACKED WHILE PASSING THROUGH FL290. ACFT RETURNED TO DEPARTURE AIRPORT AND LANDED WITHOUT FURTHER INCIDENT. REMOVED AND REPLACED FOS SIDE WINDOW IAW AMM 56-12-01 AND OPS CHECKED AND LEAK CHECKED. ACFT RETURNED TO SERVICE. WINDOW IS PRE-SB.