If you are able, read the entire New York Times article: https://www.nytimes.com/2019/04/20/business/boeing-dreamliner-production-problems.html
If you cannot, here is an excerpt:
Safety lapses at the North Charleston plant have drawn the scrutiny of airlines and regulators. Qatar Airways stopped accepting planes from the factory after manufacturing mishaps damaged jets and delayed deliveries. Workers have filed nearly a dozen whistle-blower claims and safety complaints with federal regulators, describing issues like defective manufacturing, debris left on planes and pressure to not report violations. Others have sued Boeing, saying they were retaliated against for flagging manufacturing mistakes.
Here's a Business Insider summary of the NYT article, which should hit most of the highlights: https://www.businessinsider.com/boeing-787-dreamliner-south-carolina-factory-production-problems-2019-4
If pressure was applied and this along with verified defects being overlooked is proved then all involved need to be mailed and for a long time.