What new risk has the FAA found for the Boeing 737 MAX?

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New Risk Identified for Boeing 737 MAX by FAA

The US Federal Aviation Administration (FAA) has identified a new potential risk concerning the Boeing 737 MAX aircraft, discovered during a simulator test last week. This latest issue necessitates further action from Boeing before the grounded jet can be recertified for service, potentially delaying its return to the skies. It remains uncertain whether the problem can be resolved with a software update or requires a more substantial hardware modification.
Certification Flight Delayed

The discovery of this new risk means Boeing will not be able to conduct a certification test flight until at least July 8. Following this test, the FAA will require an additional two to three weeks to thoroughly review the results before making a final decision on the aircraft's return to service. This timeline indicates that the 737 MAX's operational status will likely extend beyond initial projections for its recertification.
Simulator Test Revealed Issue

Sources familiar with the matter indicated that the new risk emerged during a simulator test where an FAA test pilot intentionally activated the Maneuvering Characteristics Augmentation System (MCAS). During this activation, it took an extended period to regain control of the stabiliser trim system. This scenario resulted in an uncommanded dive, highlighting a critical flight condition that was not previously addressed by Boeing's software modifications.
Boeing Acknowledges and Will Fix

Boeing has acknowledged the FAA's findings and confirmed that it is working on a fix for the identified flight condition. The company stated in a securities filing that the FAA requested it address a specific scenario not covered by earlier software changes. Boeing has agreed with the FAA's decision and commitment to ensuring the safe return of the 737 MAX.
Impact on Airline Schedules

The ongoing grounding of the Boeing 737 MAX has already led major US airlines to cancel flights. American Airlines Group Inc and Southwest Airlines Co had previously extended their cancellations through early September. United Airlines also announced similar schedule adjustments, removing 737 MAX flights through September 3, reflecting the uncertainty surrounding the aircraft's return to service.

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What new risk has the FAA found for the Boeing 737 MAX?

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