Boeing Co found particles that could pose plausible protection dangers in the fuel tanks of a number of 737 MAX plane that are in storage and ready to be delivered to airlines, according to an inside memo considered by using Reuters on Tuesday.
Foreign object debris, an industrial term for rags, tools, steel shavings and other materials left at the back of by way of people for the duration of the production process, has been a high-quality manage difficulty for a variety of Boeing aircraft, such as its KC-46 tankers.
Mark Jenks, generic manager of the 737 programme, advised personnel in the memo that such particles used to be “absolutely unacceptable” and that the enterprise was taking steps to address the issue in its manufacturing system.
A Boeing spokesman tested the memo’s authenticity, and said Boeing does now not see the debris as contributing to delays in the jet’s return to service.
The objects have been located in the course of upkeep work on some of the heaps of 737 MAX jetliners Boeing has built however not delivered due to a international ban imposed final March following two crashes that killed 346 people, he said.
The FAA did not without delay respond to a request for comment.