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BA - Fire Suppression System Malfunction

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BA - Fire Suppression System Malfunction

Old 3rd May 2020, 20:20
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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

Last edited by LS737; 3rd May 2020 at 20:22. Reason: I can't attach images due to my number of posts...
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Old 3rd May 2020, 22:00
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That won't be the first time a foam party has got out of hand.
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Old 3rd May 2020, 22:30
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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.








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Old 4th May 2020, 00:26
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As we say in Australia... "Mr Hart, What a mess!".
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Old 4th May 2020, 07:57
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Is the new “bio friendly” blood based foam any better/worse for airframes than AFFF?
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Old 4th May 2020, 08:47
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Functional check carried out - "Satis".
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Old 4th May 2020, 08:49
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I see no fire. Worked well.
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Old 4th May 2020, 09:26
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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.
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Old 4th May 2020, 09:42
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Originally Posted by M.Mouse View Post
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.



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Old 4th May 2020, 09:45
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That is exactly the sort of image I was shown!
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Old 4th May 2020, 09:51
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What happens to any injured or immobilised personnel under that foam?
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Old 4th May 2020, 10:47
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What happens to any injured or immobilised personnel under that foam?
They are far cheaper to replace than the aircraft.
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Old 4th May 2020, 13:01
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Originally Posted by Locked door View Post
What happens to any injured or immobilised personnel under that foam?
They escape Alex Cruz's cull of BA staff.
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Old 4th May 2020, 15:59
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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.
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Old 4th May 2020, 16:12
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Delta had one of these foam mishaps at LAX five weeks ago.




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Old 4th May 2020, 18:27
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Isn't this an example of the system designed to deal with a problem causing more trouble than the problem itself?
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Old 4th May 2020, 18:58
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Originally Posted by Arfur Dent View Post
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...)
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Old 4th May 2020, 19:00
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Originally Posted by Jwscud View Post
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!
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Old 4th May 2020, 19:01
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Originally Posted by Arfur Dent View Post
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.
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Old 4th May 2020, 19:11
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Originally Posted by tdracer View Post
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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