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FFS... in our descent into Chicago's Midway airport yesterday afternoon…

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Old 03-19-2022, 08:28 AM
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Jet Jockey
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Default FFS... in our descent into Chicago's Midway airport yesterday afternoon…

We either got a lightning strike or we had a massive static discharge.

None of the aircraft's systems were affected but I saw a blue bolt of light in front of the aircraft's nose followed by a huge "bang".

What ever it was, it exited the aircraft through the left hand carbon fibre wing tip.

Aircraft now grounded at Midway airport until maintenance arranges for a "special" lightning inspection which will determine the next steps to follow to get the aircraft back up in the air.





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Old 03-19-2022, 09:37 AM
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hoffa
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woah that must have felt like a code brown moment. Glad you are ok.
Old 03-19-2022, 09:53 AM
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moab
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at what altitude did it happen?
Old 03-19-2022, 09:59 AM
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RDMcG
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The main thing is that all on board were OK.
Old 03-19-2022, 10:33 AM
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Jet Jockey
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Originally Posted by hoffa
woah that must have felt like a code brown moment. Glad you are ok.
Actually no, things like this don’t faze me at all.
Old 03-19-2022, 11:27 AM
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Feld
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Please share the findings from the inspection, interesting.
Old 03-19-2022, 06:25 PM
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wildcat077
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We get full lightning strike inspections all the time at work ,at least the exit point is clearly visible in this case.When we get a B787 or an A330 in our hangars it can take a whole shift for an inspection as we have to inspect the whole fuselage from top to bottom, front to back.
I’ve seen A330 wing tip glass light lenses melted from the heat at the exit point …

Lightning strikes are a common thing in the aviation industry, although it must be something to see from the cockpit if it hits the radome !

Cheers
Phil
Old 03-20-2022, 06:21 AM
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westcoastj
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Glad you're okay!

Just to confirm, you didn't leave your flight in 2017 right? (Manifest joke)
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Old 03-20-2022, 10:40 AM
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Muskoka
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Glad to hear the airplane worked fine after the hit. I assumed they were designed to take a hit. But, I’m a bit surprised to see a burned wing tip. I thought they would take a lightning strike without that kind of physical damage.

I have no engineering/electrical/airplane experience, so perhaps this is what is supposed to happen.
Old 03-20-2022, 07:17 PM
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928gt
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Originally Posted by Muskoka
Glad to hear the airplane worked fine after the hit. I assumed they were designed to take a hit. But, I’m a bit surprised to see a burned wing tip. I thought they would take a lightning strike without that kind of physical damage.

I have no engineering/electrical/airplane experience, so perhaps this is what is supposed to happen.
From an electrical perspective, the smaller the cross-sectional area of a conductor, the less current it can carry. With the wing tip coming to a point, it can't safely conduct as much juice as the rest of the wing and/or the aluminum fuselage, hence the burnt out wing tip.
Old 03-26-2022, 11:26 AM
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Jet Jockey
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See update post.

Last edited by Jet Jockey; 03-26-2022 at 12:33 PM.



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