screen dead process

[Dave]

Hello,
    I was working on a 5.4 box using screen to ssh to several other boxes 
when my connection to the primary box was killed. I reconnected and not 
expecting screen to have survived i did a screen -r and got the msg that 
there is a screen on pid 3241 on hostname.pty0 or something similar then it 
said there are no screen sessions to be resumed. I'd like to get this screen 
session back if possible.
Thanks.
Dave.