Boeing is reportedly dealing with extra issues with its troubled 737 Max plane after one other glitch was discovered on the aircraft’s redesigned software program methods.

The problem got here to mild final month throughout a flight check of the Max, in line with a Boeing e-mail seen by Bloomberg. U.S. Federal Aviation Administrator Steve Dickson confirmed the information at an airline business occasion in London, U.Okay., on Thursday.

Consistent with established procedures, Boeing reported the issue to the Federal Aviation Administration (FAA), which can have the ultimate say on when the troubled plane can take to the skies once more.

The 737 Max was grounded world wide after two crashes within the house of 5 months, each brought on by a fault with the plane’s software program. The primary occurred in October 2018 when a Lion Air flight got here down shortly after takeoff close to Jakarta, Indonesia, killing all 157 passengers and crew. 5 months later, in March 2019, an Ethiopian Airways aircraft crashed close to Addis Ababa in Ethiopia, ensuing within the deaths of all 189 folks on board.

The newest concern is certainly one of a number of to be reported by Boeing because the Max’s grounding final yr. It’s associated to a flight deck indicator mild for the stabilizer trim system, which helps to boost and decrease the aircraft’s nostril. Throughout testing, the sunshine has been incorrectly illuminating, prompting Boeing to work on a repair in order that it solely lights up as and when meant.

The flaw is all of the extra regarding because it resulted from “Boeing’s redesign of the 2 flight computer systems that management the 737 Max to make them extra resilient to failure,” Bloomberg reported. Additionally, it seems to have some affiliation with the flawed system that precipitated the 2 deadly crashes.

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Regardless of this newest setback, Boeing mentioned it’s nonetheless aiming to have the Max return to business service in mid-2020, although the FAA — in addition to different regulators world wide — can have the ultimate say. In London, FAA chief Steve Dickson revealed that a certification flight for the plane might happen later this month, which, if profitable, could be a significant step ahead for Boeing’s plans to get the aircraft airborne once more.

In January, Boeing reported a possible downside with the wiring that controls the Max’s tail, and some weeks later one other concern surfaced that had the potential to stop the jet’s flight management computer systems from beginning up and verifying that they’re prepared for flight.

Chicago-based Boeing introduced on the finish of final yr that it was suspending manufacturing of the Max till regulators clear it for take-off once more. Round 800 Max jets have left the manufacturing unit thus far, with about half of them in service with airways world wide till the aircraft’s grounding in 2019.

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