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Are we sure this wasn't an engineer looking to make sourdough starter that got a bit out of control ? :)
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Really interesting to see. Does anyone familiar with the system have any more insight? How is the foam discharged? Is it likely to have been dangerous for staff on the ground?
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Not too bad for a relatively 'tall' aircraft which you enter via a door - not so good if you have to get in through the window:
https://cimg3.ibsrv.net/gimg/www.fly...c289f9a797.jpg |
Originally Posted by corporate-wage-slave
(Post 32347003)
Depends if that foam has fluorinated surfactants in it. If it has then it will need to be scooped up and incinerated,the burnt residue is tiny. If it hasn't got fluorine or other nasties in it then the slow discharge into the public sewerage system may be allowed, but it needs to be done to prevent polluting open waterways and closed courses. There will be a well managed drill for this at Heathrow I'm sure, due to the use of foam in training exercises.
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Originally Posted by cockpitvisit
(Post 32346718)
How was that a "malfunction"? To me, it seems it functioned correctly, by covering everything with foam. Was someone smoking in the hangar?
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The day mass redundancies are announced - a coincidence, I am sure!
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According to Twitter, the APU did it. Nozzles appeared to be pointed towards the floor, rather than the ceiling, luckily.
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G-YMMB is being towed over to T5B tonight so mustn’t have suffered any damage.
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Originally Posted by Tottie66
(Post 32348360)
According to Twitter, the APU did it. Nozzles appeared to be pointed towards the floor, rather than the ceiling, luckily.
I never knew hangars had this so it's interesting! |
This isn't an isolated incident as Delta had a similar incident at the end of March!
https://simpleflying.com/delta-lax-h...oam-discharge/ Edit: it was also reported on the Delta board here: https://www.flyertalk.com/forum/delt...discharge.html |
Originally Posted by noFODplease
(Post 32348504)
Hi Tottie, do you have any more info about the system? So is the entire hangar rigged with a system that will douse the space in foam? Do all the maintenance hangars have this. Is there not a chance to cancel the alarm once it is triggered, before the suppressant is released?
I never knew hangars had this so it's interesting! |
Originally Posted by TedToToe
(Post 32348721)
If a single heat or smoke detector is activated, an intermediate alarm may sound for a period time to allow the cause to be investigated and, if necessary, reset.
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Originally Posted by Jimmie76
(Post 32348646)
This isn't an isolated incident as Delta had a similar incident at the end of March!
https://simpleflying.com/delta-lax-h...oam-discharge/ Edit: it was also reported on the Delta board here: https://www.flyertalk.com/forum/delt...discharge.html |
Originally Posted by Takiteasy
(Post 32348783)
At that point a message would sound on the loudspeakers: ‘would inspector Sands come to the control room immediately’.
He has been around for a few years and have heard him paged a few times now whilst traveling in London. Have told a few family members and work colleagues about this and twice now on hearing it I have edged my way towards an exit in order to be the first out. The first time I heard it the place was evacuated so was one of the first out, the second time it was stood down. |
Originally Posted by noFODplease
(Post 32348504)
Hi Tottie, do you have any more info about the system? So is the entire hangar rigged with a system that will douse the space in foam? Do all the maintenance hangars have this. Is there not a chance to cancel the alarm once it is triggered, before the suppressant is released?
I never knew hangars had this so it's interesting! |
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