None of this is really news or particularly surprising. Problems with substandard and counterfeit parts have always plagued Boeing and Airbus alike, and with the complex web of international component suppliers there are too many links in chain of possession to eliminate the problem entirely. Hearing about these particular suspect slat track parts is some cause for concern, but the public would not be in on it if it were not for the heightened scrutiny focused on Boeing due to the MAX debacle.
