Although the OPs question may be a little naive, I don't think it deserves the vitriol it generated, for three reasons
1) People are encouraged by governments to take more responsibility for themselves
2) There is one aviation precedent, the EU banned airlines list, which is published
3) There is a precedent for flawed repairs, in fact the greatest single loss of life with one aircraft
Japan Airlines Flight 123 - Wikipedia, the free encyclopedia
Having owned a 33 year old light aircraft, I am aware of the interchangeability of parts, but most SLF would not be.