LAUNCHING . Rocket-Space Complex N1-L3 being . ... As a result of high-frequency vibrations in the engine №2 gas generator, a pressure reducing connector behind a turbine broke off and leakage of components occurred that caused a fire in the aft compartment and violated the engine control system operation that commanded to shut down engines at 68.7s. Despite the accident, this launch has proved the validity of the dynamic profile, launch dynamics, LV control processes using the ...