“Holland America Line
“We would like to inform you that your luggage was identified by terminal security for an additional security check onboard therefore, we kindly ask you to proceed to Deck 1, midship, at your earliest convenience, in order for you to be present when we inspect your luggage. Your luggage will then be delivered to your stateroom shortly after.
(What it was, was a bottle of medicine. The cruise line has a rule on number of bottles of liquor that may be brought aboard; therefore, people sometimes try to sneak on more stuff. The letter was addressed to “Dear Guests(s), and there was no punctuation between “onboard” and “therefore.”)