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737 Max software is still trying to Maximum Overdrive the plane

Posted on 7/27/19 at 9:45 am
Posted by RedRifle
Austin/NO
Member since Dec 2013
8328 posts
Posted on 7/27/19 at 9:45 am
LINK

quote:

As U.S. government test pilots ran through dozens of flight scenarios on the Boeing Co. 737 Max in recent weeks, a potential failure got their attention. The plane’s flight computer tried to push the aircraft’s nose down repeatedly during a simulator run, prompted by a stream of erroneous flight data. The Federal Aviation Administration pilot concluded commercial pilots might not have time to react and avoid a tragedy in a real plane.
quote:

That flaw -- the latest discovered on the family of jets involved in two fatal crashes since October triggered by a different failure that pushed their noses down -- was revealed by FAA last month. It threw new uncertainty on the return to flight of the Chicago-based company’s best-selling model and sent its engineers scrambling for a fix. Interviews with people familiar with the failure suggest it triggered multiple, aggressive movements to lower the plane’s nose, which alarmed the FAA pilots and other officials.

Posted by VetteGuy
Member since Feb 2008
28164 posts
Posted on 7/27/19 at 9:46 am to
Sell
Posted by Thias2685
Member since Sep 2012
2671 posts
Posted on 7/27/19 at 9:48 am to
They seriously need to scrap all of these planes. I don't care if they "fix" these issues. No way in hell I'm ever flying on one.
Posted by dbeck
Member since Nov 2014
29451 posts
Posted on 7/27/19 at 9:48 am to
quote:

The plane’s flight computer tried to push the aircraft’s nose down repeatedly during a simulator run

It's because the plane pissed on the computer's carpet.
Posted by JohnnyKilroy
Cajun Navy Vice Admiral
Member since Oct 2012
35302 posts
Posted on 7/27/19 at 9:54 am to
quote:

They seriously need to scrap all of these planes. I don't care if they "fix" these issues. No way in hell I'm ever flying on one.


They'll just rename them.
Posted by PrivatePublic
Member since Nov 2012
17848 posts
Posted on 7/27/19 at 9:54 am to
quote:

prompted by a stream of erroneous flight data


to be fair to Boeing, I'm sure there are millions of computer controlled systems that can be crashed with catastrophic consequences if I manipulate the data to be erroneous.

Most of them just never get tested in those scenarios.
Posted by LSURussian
Member since Feb 2005
126962 posts
Posted on 7/27/19 at 9:56 am to
quote:

They seriously need to scrap all of these planes.
It's not the hardware of the plane itself causing the problems. It's a software issue. Maybe they need to scrap the software and start over.
Posted by GeauxOCDP
Member since Jul 2015
1008 posts
Posted on 7/27/19 at 9:57 am to
It was a known issue when it was approved for service. Decision makers deserve prison time IMO.
Posted by KwoodTiger
Member since Aug 2011
916 posts
Posted on 7/27/19 at 9:57 am to
What’s really scary is the fact that the FAA didn’t ground these things on their own
Posted by Pectus
Internet
Member since Apr 2010
67302 posts
Posted on 7/27/19 at 9:58 am to
Are all 737s grounded?
Posted by LSURussian
Member since Feb 2005
126962 posts
Posted on 7/27/19 at 9:58 am to
No, only the MAX version.
Posted by TheHarahanian
Actually not Harahan as of 6/2023
Member since May 2017
19513 posts
Posted on 7/27/19 at 9:59 am to

I bet the new autopilot features are a pet project for one or more people up the mgmt chain, and Boeing could easily revert to a 10+ year old system that’s proven, but so far the people up the chain are unwilling to let go of their “improvements”.
Posted by athenslife101
Member since Feb 2013
18555 posts
Posted on 7/27/19 at 10:00 am to
No, just the supermax. I flew a regular 737 on 4th of July and I wanted to make a T-shirt that said “I survived a 737”
Posted by Strannix
District 11
Member since Dec 2012
48900 posts
Posted on 7/27/19 at 10:01 am to
Why dont they just extend the landing gears to put the engines in the correct spot????
Posted by VetteGuy
Member since Feb 2008
28164 posts
Posted on 7/27/19 at 10:01 am to
quote:

scrap the software


Easier said than done.

Because of the nose heavy design of the plane, the software is actually a key, integrated component of the hardware design of the plane.

That is an over-simplified statement, but Boeing has a huge challenge on their hands.
Posted by 777Tiger
Member since Mar 2011
73856 posts
Posted on 7/27/19 at 10:07 am to
quote:

“I survived a 737”


how original, 737 is the highest produced airliner of all time and iirc, still has the highest safety record
Posted by Pectus
Internet
Member since Apr 2010
67302 posts
Posted on 7/27/19 at 10:07 am to
How do I tell if my plane for my upcoming flight is a 737?
Posted by Jester
Baton Rouge
Member since Feb 2006
34291 posts
Posted on 7/27/19 at 10:09 am to
quote:

It's not the hardware of the plane itself causing the problems. It's a software issue. Maybe they need to scrap the software and start over.


False. The software was created to try to override shitty hardware.
Posted by VetteGuy
Member since Feb 2008
28164 posts
Posted on 7/27/19 at 10:13 am to
I would add, more a shitty design.

I'm certainly no expert, but a lot of this (design, getting plane certified) was done to avoid calling it a "new" plane.

And of course, the FAA just lapped it up.
Posted by Jester
Baton Rouge
Member since Feb 2006
34291 posts
Posted on 7/27/19 at 10:14 am to
737 Max is not a 737. Trying to make it fit into 737 is how shite went so bad.
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