FAA identifies a new safety risk for Boeing 737 MAXs

Seattle, Washington - The U.S. Federal Aviation Administration has found a new risk on the grounded 737 MAX jets. The American regulator asks Boeing to address the problem before the aircraft returns to service.

According to the sources who spoke to Reuters news agency, The issue was detected during a simulator test last week. The FAA did not elaborate if the problem could be solved with a software upgrade or would require a physical fix.

An FAA test pilot was running scenarios in the simulator to activate the stall-prevention system of the aircraft. At least in one case, it took more than expected to recover the stabilizer trim, a system that is used to fine-tune the aircraft's position.

Boeing was planning to conduct a re-certification flight in early July but it won't be possible under these circumstances, according to the sources who know more about the issue.

It is likely that the issue would cause a further delay in the aircraft's targeted return to service date. The FAA will need at least two or three weeks more to review the fix for the problem before determining whether to allow the 737 MAXs to return to service or not.

Last month, The U.S. Federal Aviation Agency said that the 737 MAX jets could return to service as early as late June.

Boeing has been working on a software upgrade for the anti-stall system of the 737 MAXs known as MCAS (Maneuvering Characteristics Augmentation System), which is believed to be the root cause of the two fatal crashes respectively in Indonesia and Ethiopia.

After American Airlines and Southwest, United Airlines became the latest 737 MAX operator to delay the aircraft's scheduled flights in wake of recent FAA finding.

United said it would not take the aircraft back into service until September 3rd. The 737 MAX's worldwide grounding has so far forced airlines to cancel around 1,900 scheduled flights in the United States alone.



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