A LOT Polish Airlines Boeing 787-8, registration SP-LRA performing flight LO-6 from Warsaw (Poland) to New York JFK,NY (USA), was on the way at FL400 about 300nm northeast of New York when one of the passenger windows cracked. The aircraft descended to 10,000 feet reaching 10,000 feet about 15 minutes later and continued to New York for a safe landing.
The airline reported the electro photochromatic (EDW) layer used to darken the window of the passenger window was damaged, the tightness of the window however was not impaired. The aircraft was dispatched for the return flight, the window is going to be replaced in Warsaw.
https://flightaware.com/live/flight/LOT6/history/20220820/1035Z/EPWA/KJFK
