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FlyHossD
Topic Author
Posts: 2100
Joined: Mon Nov 02, 2009 3:45 pm

More Southwest Pressurization Issues

Mon May 21, 2018 2:53 am

Hoping this will display correctly...

Searching AvHerald today, I found this:

https://www.avherald.com/h?article=4b8d54bb&opt=0

Which reminded of this:

https://www.avherald.com/h?article=4b892e97&opt=0

You'll notice that it's the same aircraft - N732SW.

After the WN accident that landed in PHL, I'd expect the FAA to be all over Southwest.
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OKCDCA
Posts: 246
Joined: Sat Sep 30, 2017 2:50 am

Re: More Southwest Pressurization Issues

Mon May 21, 2018 4:03 am

FlyHossD wrote:
Hoping this will display correctly...

Searching AvHerald today, I found this:

https://www.avherald.com/h?article=4b8d54bb&opt=0

Which reminded of this:

https://www.avherald.com/h?article=4b892e97&opt=0

You'll notice that it's the same aircraft - N732SW.

After the WN accident that landed in PHL, I'd expect the FAA to be all over Southwest.

Why would the FAA be “all over Southwest” after nothing more than a possible faulty sensor? The crew received an indication that cabin pressure was dropping but was never actually lost. The crew did the right thing and diverted and passengers were reaccomodated. The nature of the beast that is a commercial airliner in 2018 is multiple computer systems and sensors feeding those computers. Like all things mechanical, at some point one is going to fail and/or give a faulty indication. Is it ideal, no, but it’s the nature of the types of systems we deal with this day in age. Purely coincidence that it’s the aircraft involved.

Non-event.
 
WN732
Posts: 821
Joined: Sat Feb 26, 2011 12:49 am

Re: More Southwest Pressurization Issues

Mon May 21, 2018 4:11 am

Did you read the article?
Last edited by WN732 on Mon May 21, 2018 4:12 am, edited 1 time in total.
 
WN732
Posts: 821
Joined: Sat Feb 26, 2011 12:49 am

Re: More Southwest Pressurization Issues

Mon May 21, 2018 4:12 am

Did you actually read the article?
 
Antarius
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Joined: Thu Apr 13, 2017 1:27 pm

Re: More Southwest Pressurization Issues

Mon May 21, 2018 4:24 am

And in other news, overzealous aviation enthusiasts make a big deal over a sensor malfunction.

If the FAA got all over airlines for precautionary measures- either things would get worse or no one would be flying.
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Runway28L
Posts: 2100
Joined: Wed Sep 20, 2017 7:35 pm

Re: More Southwest Pressurization Issues

Mon May 21, 2018 4:35 am

Given how ridiculous the mainstream media has become in the past 2-3 years, of course every incident that is usually deemed a non-event following a major incident will get blown up by the media and will create a false image of danger for the general public.
 
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DocLightning
Posts: 21861
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Re: More Southwest Pressurization Issues

Mon May 21, 2018 4:48 am

OKCDCA wrote:
Why would the FAA be “all over Southwest” after nothing more than a possible faulty sensor?


Pressurization/pressure sensing issue? Twice in a week? Same airframe?

In the history of commercial aviation, I have never heard of a single airframe experiencing the exact same class of failure twice to the point where it resulted in a diversion (and thankfully that's all it was).

The implication here is that WN didn't fix it correctly. And. That. Should. Not. Have. Happened.
-Doc Lightning-

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N626AA
Posts: 91
Joined: Sun Sep 18, 2005 4:02 pm

Re: More Southwest Pressurization Issues

Mon May 21, 2018 4:52 am

Runway28L wrote:
Given how ridiculous the mainstream media has become in the past 2-3 years, of course every incident that is usually deemed a non-event following a major incident will get blown up by the media and will create a false image of danger for the general public.


I second that. Several upcoming trips this summer on WN and AA. All -700s on WN I believe. Not worried one bit.
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ikolkyo
Posts: 2994
Joined: Tue Nov 05, 2013 8:43 pm

Re: More Southwest Pressurization Issues

Mon May 21, 2018 6:07 am

DocLightning wrote:
OKCDCA wrote:
Why would the FAA be “all over Southwest” after nothing more than a possible faulty sensor?


Pressurization/pressure sensing issue? Twice in a week? Same airframe?

In the history of commercial aviation, I have never heard of a single airframe experiencing the exact same class of failure twice to the point where it resulted in a diversion (and thankfully that's all it was).

The implication here is that WN didn't fix it correctly. And. That. Should. Not. Have. Happened.


I bet it has happened before, all it would take is some digging on the avherald.
 
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Channex737
Posts: 19
Joined: Wed Sep 28, 2016 7:37 pm

Re: More Southwest Pressurization Issues

Mon May 21, 2018 6:27 am

ikolkyo wrote:
DocLightning wrote:
OKCDCA wrote:
Why would the FAA be “all over Southwest” after nothing more than a possible faulty sensor?


Pressurization/pressure sensing issue? Twice in a week? Same airframe?

In the history of commercial aviation, I have never heard of a single airframe experiencing the exact same class of failure twice to the point where it resulted in a diversion (and thankfully that's all it was).

The implication here is that WN didn't fix it correctly. And. That. Should. Not. Have. Happened.


I bet it has happened before, all it would take is some digging on the avherald.



It has indeed happened before, Jet2 737-300 G-CELI had 2 decompression in as many weeks, the aircraft was subsequently scrapped.
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32andBelow
Posts: 5009
Joined: Mon Sep 03, 2012 2:54 am

Re: More Southwest Pressurization Issues

Mon May 21, 2018 6:46 am

Yah when a plane has a problem sometimes it’s recurring. Just like anything else in the world.
 
Cubsrule
Posts: 14586
Joined: Sat May 15, 2004 12:13 pm

Re: More Southwest Pressurization Issues

Mon May 21, 2018 1:10 pm

DocLightning wrote:
OKCDCA wrote:
Why would the FAA be “all over Southwest” after nothing more than a possible faulty sensor?


Pressurization/pressure sensing issue? Twice in a week? Same airframe?

In the history of commercial aviation, I have never heard of a single airframe experiencing the exact same class of failure twice to the point where it resulted in a diversion (and thankfully that's all it was).

The implication here is that WN didn't fix it correctly. And. That. Should. Not. Have. Happened.


. . . except that it pretty obviously wasn't the same problem. The cabin actually depressurized in the first incident. Not so in the second. It's hard to come up with a scenario where a single bad sensor will cause depressurization. Like most aircraft systems, there are redudancies.
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