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Boeing Continues To Try Find A Fix For 106 Grounded 737 Max Planes

Boeing Continues To Try Find A Fix For 106 Grounded 737 Max Planes
An electrical issue has grounded 106 Boeing 737 Max airplanes throughout the world, said the United States Federal Aviation Administration (FAA). The US regulator added that Boeing is still working to try to fix the issue.
On April 7, an electrical power system issue was disclosed by the United States based plane maker Boeing and recommended operators of the planes to stop using the airplanes from commercial service on a temporary basis.
The electrical grounding - or connections designed to maintain safety in the event of a surge of voltage - inside a backup power control system, is at the core of the problem. "Subsequent analysis and testing showed the issue could involve additional systems”, the FAA said. .
106 airplanes are covered, including 71 registered in the US, in the grounding advisory, the FAA said in a formal notice to international air regulators. "All of these airplanes remain on the ground while Boeing continues to develop a proposed fix," the agency added.
The standby power control unit, a circuit breaker panel and main instrument panel, could be affected or impacted by the issue, showed the investigation conducted by Boeing, the FAA said.
The notice said the "FAA expects to issue an airworthiness directive mandating corrective action before further flight for all affected airplanes."
"We concur with the FAA notice and continue to work closely with the regulator and our customers to address the issue," said Boeing spokeswoman Jessica Kowal.
Following the notice from Boeing more than 60 jets from service were removed by the top three 737 Max operators in the United States - Southwest Airlines, American Airlines and United Airlines.
The US airlines expected the problem to get resolved pretty soon – possible within the next week or two, said the US carriers.
“We have a pretty good idea of exactly what the issue is and the remedies that need to be attended to," said American Airlines president Robert Isom.
Those airlines that have been affected by the grounding included Cayman Airways, Copa Airlines, Gol Linhas Aereas, Iceland Air, Minsheng Leasing, Neos Air, Shanding Airlines, SilkAir, Spice Jet, Sunwing Airlines, Turkish Airlines, Valla Jets Limited, WestJet Airlines and Xiamen Airlines, the FAA said.
The FAA said it "verified all operators with affected airplanes have voluntarily taken those aircraft out of service”.
The production issue "is not related to recertification of the flight control system on the 737 Max, ungrounding of the aircraft, or its return to service”, the US regulator said. Boeing has delivered more than 450 Max airplanes.

Christopher J. Mitchell

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