Defective on arrival

Defective On Arrival is an alternate interpretation of "DOA", which stands for "dead on arrival", a term used in medical context and with the alternative colloquial/trade meaning of "At the moment of receiving the item, it was damaged or defective to the point of not being usable".

It is frequently used for expliciting a kind of warranty when a customer buys an item that can't be checked before pay (for example, eBay buying), and at the moment of make an RMA (Return Merchandise Authorization).