Yes, that’s a fairly accurate version of events.
Its odd that it has been the only FW190 recovered significantly complete from Russia, considering the number of other aircraft recovered since around 1990.
In general, the aircraft was in good structural shape, the damage to the spar notwithstanding. The oil lines in the engine were indeed stuffed full of rags – as was some of the cannon firing pipework! We were never quite sure what the pilots headrest was stuffed with, but it looked uncomfortably like hair….