Dish Soap to Help Build Planes? Boeing Signs Off on Supplier’s Method.
New York Times
An F.A.A. audit found Spirit AeroSystems using Dawn soap and a hotel key card in the manufacturing process. The company says its techniques were inventive, not careless.
https://www.nytimes.com/2024/04/11/us/politics/spirit-aerosystems-boeing-737-max.html