Re: Am watching Star Trek First Contact for the first time in five yea
Yes, sickbay was on Deck 16. I'm not sure if it was ever officially stated, but it was the only part of the ship that we saw that had full power after the Borg cut power to the other decks, and Worf ordered a security officer to "get these people back to Deck 15" after Crusher and the medical staff came out of the Jefferies tube.
But in either case, the doors locked BEFORE the Borg cut power to the other decks, which means that someone must have sealed them. I suppose that they could have been locked due to having a 21st century woman on board, but that seems unlikely.