The problem was traced later to a faulty mechanism on the Soyuz; this was not discovered until after the Soyuz 26 flight performed an EVA to inspect the second docking port on Salyut 6.
The problem was traced later to a faulty mechanism on the Soyuz. This was not discovered until after the Soyuz 26 flight. This Soyuz 26 flight was performed an EVA to inspect the second docking port on Salyut 6.