Investigation led by AIB - Sri Lanka

Serious incident to the Airbus A330 registered 4R-ALM operated by Srilankan on 18/09/2021 en route

Preliminary data based on the notification from the Sri Lankan authorities:

Captains and First Officer’s windshield shattered during climb at FL 340 due to suspected hail storm.

Subsequently aircraft returned to CMB and overweight landing was carried out.