An Aeroflot Boeing 737-800, registration VP-BML performing flight SU-1451 from Kemerovo to Moscow Sheremetyevo (Russia) with 154 passengers on board, was enroute at FL300 about 90nm northwest of Novosibirsk (Russia) when the crew reported a cracked windshield and descended the aircraft to FL100 reporting it was the inner layer of the windshield, that had cracked. The aircraft diverted to Novosibirsk, entered a hold at FL070 to burn off fuel and landed safely in Novosibirsk about 90 minutes after leaving FL300.

A replacement Boeing 737-800 registration VP-BKF reached Moscow with a delay with 9:40 hours.

The occurrence aircraft returned to service about 12 hours after landing.