French phrase
~ a été ouvert à la livraison.
Meaning
___ was opened at the time of delivery.
When to use it
States that something had been opened when it was delivered. The wording is neutral and fits delivery-related complaints or checks.
Example dialogue
Bonjour, mon colis est arrivé ouvert.
Hello, my package arrived open.
D'accord, il semble que votre colis a été ouvert à la livraison.
Okay, it seems your package was opened at the time of delivery.