In terms of quality issues... https://www.cbc.ca/news/business/boeing-air-canada-jet-fuel-leak-1.5193550 https://www.cbc.ca/news/business/boeing-air-canada-jet

In terms of quality issues... https://www.cbc.ca/news/business/boeing-air-canada-jet-fuel-leak-1.5193550 https://www.cbc.ca/news/business/boeing-air-canada-jet-fuel-... https://phys.org/news/2019-04-pentagon-boeing-tanker-deliveries-quality.html https://phys.org/news/2019-04-pentagon-boeing-tanker-deliver...