Doesn't directly answer your question, but the CNBC article appears to be correct. See https://www.faa.gov/newsroom/faa-statement-boeing-airworthin...

> The FAA stopped allowing Boeing to issue airworthiness certificates for 737 MAX airplanes in 2019 during their return to service following the Lion Air and Ethiopian Airlines crashes, and for Boeing 787 airplanes in 2022 because of production quality issues.