What was found
AT 21K CREW HEARD AN EXTREMELY LOUD POP AND LEFT SIDE WINDOW IS COVERED WITH CRACKS. FLIGHT 3175 - FILED CLOSED REMOVED AND REPLACED LEFT COCKPIT WINDOW IN PER TASK CARD 56-220-1000-SKY AND AMM 56-12-01. OPS AND LEAK CHECK GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AT 21K CREW HEARD AN EXTREMELY LOUD POP AND LEFT SIDE WINDOW IS COVERED WITH CRACKS. FLIGHT 3175 - FILED CLOSED REMOVED AND REPLACED LEFT COCKPIT WINDOW IN PER TASK CARD 56-220-1000-SKY AND AMM 56-12-01. OPS AND LEAK CHECK GOOD.