A Rossiya Airbus A320-200 on behalf of Aeroflot, registration VP-BWH performing flight SU-6573 from St. Petersburg to Krasnojarsk (Russia) with 108 passengers and 6 crew, was climbing out of St. Petersburg's Pulkovo Airport when the crew stopped the climb at FL230 due to a cracked windshield and decided to return to St. Petersburg. The aircraft burned off fuel and landed safely back about one hour after departure.