That is KB796, built in Canada, flown to the UK, war ended and returned to Canada. Bought in 1974 ish by JD Roberts and flown to Scotland (Strathallan collection) in 1975, bought by Charles Smith in 1986? and road moved to BAe Woodford for restoration to airworthiness but unfortunately the roof of the hangar collapsed badly damaging it. Charles Smith died shortly after in a Spitfire crash and so the project stalled and a number of parts of the airframe along with parts from other aircraft ended up with Kermit Weeks in Florida in 2003 and it's sat there awaiting some love ever since.
See the full story here, very sad.
Lancaster KB976 Introduction
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The engines run well Peter but as there is no paperwork supporting the history of the engine from a known rebuild, i.e. NDT, Component record cards etc. then they need to have engines with complete records.
17 Airframes remain in existence.