section_path: Development/Quality-control issues (2019–2025)/2019
section_name: 2019
paragraph_text: 2019
  
  In 2019, reports began to emerge about quality-control issues at the North Charleston plant leading to questions about the jet's safety; and later that same year KLM, which had discovered loose seats, missing and incorrectly installed pins, nuts and bolts not fully tightened and a fuel-line clamp left unsecured on its jet, complained that the standard of manufacture was "way below acceptable standards."