Supplier caught distributing fake parts for world’s top-selling jet engine
thedrive.com
thedrive.com
The form they're accused of forging can be found on page 86 of [0]. It basically just requires an authorized person to check a box that the item is in spec.
[0] https://eur-lex.europa.eu/legal-content/EN/TXT/PDF/?uri=CELE...
So yes, it appears that the issue is unreliable certification.
[1]: https://publicapps.caa.co.uk/docs/33/SafetyNotice2023004.pdf
https://www.kansas.com/news/business/aviation/article2620683...
https://en.wikipedia.org/wiki/Darleen_Druyun
https://dockets.justia.com/docket/illinois/ilndce/1:2019cv02...
It seems like they're caught providing fake documents from one of their suppliers