I'll bet anything that he did it himself while he was handling it after unpacking. He may have turned it on it's face, or done something else accidentally. It is not hard to do. A repair person experienced with Mac once did it to my amp. Also, if it arrived that way, he would have informed you right away.
If you want to assist, as the other poster suggested, you can call the shipper on his behalf, but they are going to be very suspect of such a late claim, and I wouln't get deeply involved. You certainly don't owe him any compensation.
If you want to assist, as the other poster suggested, you can call the shipper on his behalf, but they are going to be very suspect of such a late claim, and I wouln't get deeply involved. You certainly don't owe him any compensation.