Boeing Completes 737 MAX Software Update — What’s Next?

In mid-March the Boeing 737 MAX was grounded globally, so it has now been well over two months since the plane has been flying commercially. This has had significant impacts on airline operations, though seemed like a necessary move.

Airlines have been updating their schedules to reflect the Boeing 737 MAX being out of service at different paces — some airlines have removed the plane from the schedule only in the short-term, while others don’t have it in the schedule through the end of the year. So the question of when the plane will be flying once again is something we don’t yet have an answer to.

Well, it looks like we’re now one step closer to that happening. Per a statement from the company, Boeing has completed development of the updated software for the 737 MAX, along with associated simulator testing and company test flights. The 737 MAX with the updated MCAS software has been flown for more than 360 hours on 207 flights.

Now Boeing is providing additional information to address FAA requests that include details on how pilots interact with the plane controls and displays in different flight scenarios. Once those requests are addressed, Boeing will work with the FAA to schedule its certification test flight and submit final certification documentation.

On top of that, Boeing has developed new training and education materials currently being reviewed by the FAA, to support return-to-service and longer-term operations.

Dennis Muilenburg, Boeing’s CEO, had the following say:

“With safety as our clear priority, we have completed all of the engineering test flights for the software update and are preparing for the final certification flight. We’re committed to providing the FAA and global regulators all the information they need, and to getting it right. We’re making clear and steady progress and are confident that the 737 MAX with updated MCAS software will be one of the safest airplanes ever to fly. The accidents have only intensified our commitment to our values, including safety, quality and integrity, because we know lives depend on what we do.”

It sounds like they’re moving in the right direction here, though both Boeing and the FAA have lost so much public trust as this situation has unfolded, so who knows how long it’ll be until the plane is actually flying again (update: the FAA says it could be as early as late June when the plane is back in service).

That’s only the first part of this battle, though. Once the plane is once again certified and put back into service, there are a lot of people who won’t want to fly it. Largely I can’t blame those people, since the same organizations that let the plane enter service in the first place are the ones telling us once again that it’s safe to fly.

It will be interesting to see how airlines handle this. It’s not just a few people who have 737 MAX concerns, but at this point everyone knows about what has happened to the plane. How will airlines deal with those who find themselves booked on a 737 MAX, but aren’t comfortable flying on the plane?

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Parker Holden Guest

The Max 8 situation has boiled down to a polarization between two different philosophical schools. Captain Sully summerizes one school of thought. 1) The plane must be arodynamically sound and safely flyable with manual control 2) The other school of thought acknowledges that automated controls and supplements are OK if they are well designed and reliable. I am a former Boeing employee and proud of the corporate history of good engineering. Sometimes this weakened the financial performance of the company. Max may have gone too far in correcting this unbalance. My prediction is that the FAA will certify the corrections Boeing is making on the Max 8 before too long. I do not expect the EU regulators to go along with the FAA as they have done in the past. The best engineering in the world rests with some of the North European countries. It is engrained in their culture just like digital algorithms are rapidly being engrained in our culture. The trade war with China may look like kids stuff compared with Europe's reaction to the FAA approval of the Max 8 upgrades. What we have seen so far may be only the first chapter.

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Why Soitanly Guest

It is crucial to aviation safety that Boeing not be permitted to "fix" the 737 MAX with software. The plane was made unstable due to new, larger and heavier engines which were stupidly located upward and further forward for ground clearance. This causes the 737 MAX to often pitch up at max thrust on take-off. Basic aerodynamic stability was compromised. MCAS is compounding the error: for an airplane that lacks essential stability, software only "papers over" the underlying problem, and Boeing management knows this. But they decided to allow a flawed fifty year old design decision to continue rather than implement a costly re-design. The "reasoning" in the 1960's was that smaller airports would not have lifts to permit ground crew to access the baggage hold, so they purposely made the landing gear short, giving the engines only 17 inches ground clearance. Thus, 346 people have so far been killed by what amounts to negligent homicide in two incidents. New software will not cure this problem. Every in-the-loop manager at Boeing is criminally liable, from the CEO on down. Of course this will not happen, as Boeing has become too big to fail.

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Sunny leveson-jones Guest

@Flyboy46 when you calculate the p value for the US not having a crash with the number of planes and segments they have operated you get a value of 0.53 when below 0.05 is the standard line for something not being a normal distribution. This RA RA US pilots are better is bullshit, especially when you consider ethiopian is a good airline with a good safety record and Ethiopia has a better safety rating then several US airlines at 6/7

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RC Guest

unfortunately the general public will end up flying it, because they are forced to or won't know the difference. They will pick the flight if it saves them $10 r/t. The airlines have us by the balls. If we want to get somewhere and that leg/segment/route is flown by the Max, your choice is either Booking, NOT booking, find another airline that may or may not have the max and be more or less convenient. After a few months people will forget about it all...

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panda Gold

no thank you Max, next

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