John Barnett, who worked until recently Manager of quality control at Boeing, said in an interview BBC, passengers on the 787 Dreamliner can stay without oxygen, if the cabin happens to sudden decompression.
Barnett claims that tests show that up to a quarter of the oxygen systems can be faulty and may not work when needed. He also said that the faulty parts were intentionally installed on the aircraft on the production line at a factory of Boeing.
In aviakontserna deny the charges and say that all of his aircraft are built to the highest standard of safety and quality.
Barnett, a former engineer for quality control, has worked at Boeing for 32 years until his retirement for health reasons in March 2017. Since 2010 he has worked as quality Manager at Boeing in North Charleston, South Carolina.
Boeing admits that in 2017, "disclosed a few oxygen cylinders received from the vendor that were not properly deployed. We removed the tanks from production to the aircraft had defective cylinders, and we have discussed this issue with our supplier".
Barnett is not the only Boeing employee, who expressed concern about the production processes aviakontserna. For example, earlier this year revealed that after the crash of Ethiopian Airlines 737 Max in March, four current or former employees tried to tell the hotline about potential problems, but was not heard.
Wednesday, 6 November, the Irish Ryanair Holdings Plc, Europe's largest airline discounter, has suspended flights for at least three Boeing-737 due to the discovery of cracks in their parts. As The Guardian reports, cracks were discovered between the wing and the fuselage.
Grounded aircraft have a registration number EI-DCL, EI-DAL and EI-DCJ. All three more than 15 years.
Ryanair is not the first airline with this problem. The detection of cracks in detail, which in aviation jargon is called "cucumber forks" because of their similarity to forks for pickles, has already led to the decommissioning of 50 Boeing aircraft around the world.
last week, the largest air carrier of Australia's Qantas Airways Ltd. discontinued operation three Boeing-737 NG in connection with the discovery of similar cracks.