The ship, HMS Terror, has been found
Here are two links explaining the discovery.
http://www.msn.com/en-us/news/world/searchers-find-2nd-ship-from-doomed-british-expedition/ar-AAiOQYh?li=BBmkt5R&ocid=spartandhp
http://www.maritime-executive.com/article/wreck-of-hms-terror-found
https://www.theguardian.com/world/2016/sep/12/hms-terror-wreck-found-arctic-nearly-170-years-northwest-passage-attempt