Caveated with the fact that these are different companies, industries, selective observation bias and I know nothing about manufacturing:
“Federal prosecutors recently subpoenaed Boeing for documents related to production processes at the Dreamliner plant in North Charleston, S.C., the people said.
In April, The New York Times detailed allegations of shoddy work and flawed quality control at the factory that threatened to compromise safety. The article, based on hundreds of pages of internal emails, company documents and federal records, revealed that debris was regularly left inside aircraft. A ladder was found in a plane’s tail and a stray bolt in an engine.”
Source:
https://www.nytimes.com/2019/06/28/business/boeing-787-dreamliner-investigation.html