Trains with backdoors, or which part of Newag's statement is a scam

The article on Zaufana Trzecia Strona discusses an incident related to the failures of Newag trains and the efforts of researchers who took on the task of repairing them. It outlines various aspects of the situation, including the root causes of the failures and the technologies used by the researchers to restore the trains to operational status. The article emphasizes the necessity of implementing changes in production processes and quality control systems to prevent similar incidents in the future. Experts were able to identify design flaws and materials that may have contributed to safety issues. This information is highly valuable for both the transportation industry and passengers who have the right to expect safe trains.