These extraordinary images of hail damage to an aircraft, apparently last month, have been turning up on the internet - but there is no definite account of what happened.
Somebody even e-mailed them to recently departed Boeing Commercial chief Alan Mulally, but the story told him is disputed - notably by an anonymous person claiming to have been a crew member on board.
Do you know what really happened, when and where? Perhaps you are the mystery photographer? Drop us a line at email@example.com