<p>United States aviation regulators plan to require Boeing to rewire all 737 MAX aircraft before allowing the troubled planes fly again, the Wall Street Journal has reported.</p>.<p>The MAX has been grounded worldwide since an Ethiopian Airlines flight crashed shortly after take-off last March, less than six months after the same model was involved in a similar fatal accident in Indonesia.</p>.<p>Both accidents saw uncontrolled drops in the aircraft's nose in the moments before the planes crashed, which investigators have blamed on the model's anti-stall flight system.</p>.<p>Regulators have since concluded that the current wiring layout violated safety standards to prevent short-circuits that could cause similar sharp drops in aircraft pitch, the newspaper said Sunday.</p>.<p>The order to modify the wiring would apply to the nearly 800 MAX plans already produced, including those already in the hands of airlines, according to the report.</p>.<p>The Federal Aviation Authority said in a statement that it was working with the company to "address a recently discovered wiring issue" on the aircraft but did not confirm the Journal's report.</p>.<p>"The aircraft will be cleared for return to passenger service only after the FAA is satisfied that all safety-related issues are addressed," it added.</p>.<p>Boeing told AFP it was discussing the wiring issue with regulators but still expected the planes to return to service mid-year.</p>.<p>All 157 people aboard the Ethiopian Airlines jet were killed when it crashed shortly after take-off from Addis Ababa last March.</p>.<p>It followed the October 2018 crash of a 737 MAX operated by Lion Air in Indonesia, which killed 189 people when it crashed moments after leaving Jakarta airport.</p>.<p>Boeing was accused of brushing off the concerns of engineers to release a "fundamentally flawed" aircraft by a damning US congressional report earlier this month.</p>.<p>The investigation also said the FAA had failed to exercise its oversight of the company and ignored warnings about the aircraft's safety flaws from its own experts.</p>
<p>United States aviation regulators plan to require Boeing to rewire all 737 MAX aircraft before allowing the troubled planes fly again, the Wall Street Journal has reported.</p>.<p>The MAX has been grounded worldwide since an Ethiopian Airlines flight crashed shortly after take-off last March, less than six months after the same model was involved in a similar fatal accident in Indonesia.</p>.<p>Both accidents saw uncontrolled drops in the aircraft's nose in the moments before the planes crashed, which investigators have blamed on the model's anti-stall flight system.</p>.<p>Regulators have since concluded that the current wiring layout violated safety standards to prevent short-circuits that could cause similar sharp drops in aircraft pitch, the newspaper said Sunday.</p>.<p>The order to modify the wiring would apply to the nearly 800 MAX plans already produced, including those already in the hands of airlines, according to the report.</p>.<p>The Federal Aviation Authority said in a statement that it was working with the company to "address a recently discovered wiring issue" on the aircraft but did not confirm the Journal's report.</p>.<p>"The aircraft will be cleared for return to passenger service only after the FAA is satisfied that all safety-related issues are addressed," it added.</p>.<p>Boeing told AFP it was discussing the wiring issue with regulators but still expected the planes to return to service mid-year.</p>.<p>All 157 people aboard the Ethiopian Airlines jet were killed when it crashed shortly after take-off from Addis Ababa last March.</p>.<p>It followed the October 2018 crash of a 737 MAX operated by Lion Air in Indonesia, which killed 189 people when it crashed moments after leaving Jakarta airport.</p>.<p>Boeing was accused of brushing off the concerns of engineers to release a "fundamentally flawed" aircraft by a damning US congressional report earlier this month.</p>.<p>The investigation also said the FAA had failed to exercise its oversight of the company and ignored warnings about the aircraft's safety flaws from its own experts.</p>