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-   -   BA - Fire Suppression System Malfunction (https://www.pprune.org/rumours-news/632154-ba-fire-suppression-system-malfunction.html)

LS737 3rd May 2020 20:20

BA - Fire Suppression System Malfunction
 
Saw this on Facebook, apparently happened today, oops!

Source: AeroNews on Facebook

Image: facebook.com/AeronewsGlobal/photos/pcb.2930760220333392/2930759787000102/?type=3&theater

DaveReidUK 3rd May 2020 22:00

That won't be the first time a foam party has got out of hand.

Airbubba 3rd May 2020 22:30

Presumably an accident. Pictures from the Facebook post linked above.


Today’s incident from Heathrow airport: a fire suppression system apparently malfunctioned at TBJ or Tech 6, in the hangar where a Boeing 777-200ER (G-YMMB) BA was parked.
https://cimg9.ibsrv.net/gimg/pprune....3138d65816.jpg
https://cimg0.ibsrv.net/gimg/pprune....732b2ae51b.jpg
https://cimg1.ibsrv.net/gimg/pprune....7b41e3bc26.jpg
https://cimg2.ibsrv.net/gimg/pprune....c810b9996b.jpg
https://cimg3.ibsrv.net/gimg/pprune....c867f23728.jpg
https://cimg4.ibsrv.net/gimg/pprune....2e172bf328.jpg
https://cimg5.ibsrv.net/gimg/pprune....22f2fb14b0.jpg
https://cimg6.ibsrv.net/gimg/pprune....6b4643fecf.jpg
https://cimg7.ibsrv.net/gimg/pprune....31fba56f54.jpg

Capn Bloggs 4th May 2020 00:26

As we say in Australia... "Mr Hart, What a mess!".

Jwscud 4th May 2020 07:57

Is the new “bio friendly” blood based foam any better/worse for airframes than AFFF?

esscee 4th May 2020 08:47

Functional check carried out - "Satis".

create_it83 4th May 2020 08:49

I see no fire. Worked well.

M.Mouse 4th May 2020 09:26

Interesting that the system just spreads a blanket of foam at low level when a fire could start at any height.

In 1993 I was one of the two pilots who took a BA B747-400 down to the new maintenance facility at Cardiff. Everybody there was very proud of the place and we were given a guided tour. We were also shown some pictures of the fire suppression system test during commissioning of the building. This is also a foam system. What was quite amazing was that the hangar in the photograph we were shown had foam that was probably 30' or 40' deep! That would be effective.

admiral ackbar 4th May 2020 09:42


Originally Posted by M.Mouse (Post 10772046)
Interesting that the system just spreads a blanket of foam at low level when a fire could start at any height.

In 1993 I was one of the two pilots who took a BA B747-400 down to the new maintenance facility at Cardiff. Everybody there was very proud of the place and we were given a guided tour. We were also shown some pictures of the fire suppression system test during commissioning of the building. This is also a foam system. What was quite amazing was that the hangar in the photograph we were shown had foam that was probably 30' or 40' deep! That would be effective.

Something like this? Remember a foam mishap in a USAF hangar around 2012 as well.

https://cimg3.ibsrv.net/gimg/pprune....86aeeba409.jpg


M.Mouse 4th May 2020 09:45

That is exactly the sort of image I was shown!

Locked door 4th May 2020 09:51

What happens to any injured or immobilised personnel under that foam?

M.Mouse 4th May 2020 10:47


What happens to any injured or immobilised personnel under that foam?
They are far cheaper to replace than the aircraft.

cashash 4th May 2020 13:01


Originally Posted by Locked door (Post 10772079)
What happens to any injured or immobilised personnel under that foam?

They escape Alex Cruz's cull of BA staff. :uhoh:

bnt 4th May 2020 15:59

According to some folks on Reddit, where they posted video, the foam system was triggered by someone starting the plane's APU in the hangar.

Airbubba 4th May 2020 16:12

Delta had one of these foam mishaps at LAX five weeks ago.

https://cimg8.ibsrv.net/gimg/pprune....386921748f.jpg
https://cimg2.ibsrv.net/gimg/pprune....8f88b7daf0.jpg
https://cimg3.ibsrv.net/gimg/pprune....5da2bdc04d.jpg

Arfur Dent 4th May 2020 18:27

Isn't this an example of the system designed to deal with a problem causing more trouble than the problem itself?

G-ARZG 4th May 2020 18:58


Originally Posted by Arfur Dent (Post 10772508)
Isn't this an example of the system designed to deal with a problem causing more trouble than the problem itself?

(until you see a hangar on fire...)

Intruder 4th May 2020 19:00


Originally Posted by Jwscud (Post 10771959)
Is the new “bio friendly” blood based foam any better/worse for airframes than AFFF?

Dunno 'bout "new"... The blood-based stuff is what the US Navy used before AFFF was invented!

tdracer 4th May 2020 19:01


Originally Posted by Arfur Dent (Post 10772508)
Isn't this an example of the system designed to deal with a problem causing more trouble than the problem itself?

I think an aircraft on fire inside a hanger (without proper fire suppression) could case quite a bit of trouble.
I have a vague memory of Air France loosing a nearly new 747 when there was a hanger fire back in the 1980s.

neilki 4th May 2020 19:11


Originally Posted by tdracer (Post 10772533)
I think an aircraft on fire inside a hanger (without proper fire suppression) could case quite a bit of trouble.
I have a vague memory of Air France loosing a nearly new 747 when there was a hanger fire back in the 1980s.

MX was telling me the other day that LED Beacons can kick off the foam, and the strobes are guaranteed to. Job 1 in the hangar is to pull breakers for every external light..


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