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  #1  
Old 01-17-2021, 02:06 PM
Jake14 Jake14 is offline
 
Join Date: May 2014
Location: Seattle
Posts: 381
Default mysterious white powder

lately been seeing some white powdery areas on the rug. Usually but not always under the panel. Can't figure out where it's coming from. Anyone else seen this? Hopefully it's not related to some kind of corrosion...

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  #2  
Old 01-17-2021, 02:39 PM
FredMagare FredMagare is offline
 
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Possibly aluminum oxide? Investigate directly above the location for signs of corrosion and fretting. Is moisture getting up under your panel? Could something be fretting against a powder coated item? Dirt from your shoes? Might the angles in that location be scraping away a portion of your flying shoes? (Are they white?)

I know this might not be helpful but I'm just asking questions that I might investigate if I were there....
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  #3  
Old 01-17-2021, 03:19 PM
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wcalvert wcalvert is offline
 
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Deice salt in solution tracked onto the carpet or upholstery nearby... ?
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  #4  
Old 01-17-2021, 03:24 PM
bbsdad bbsdad is offline
 
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Consider condensation. Then look for enter granular coroshion. Nasty thing that. Only way to get rid of it is replacing the hole part. Itís incedius and once it starts itís like cancer. Catch it early and itís just the one affected part. Wate too long and other parts will be included. The powder is like a contagious disease. So clean everything that has powder on it thuraly. Donít just vacuum it up and think itís ok.

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  #5  
Old 01-17-2021, 07:55 PM
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vfrazier vfrazier is offline
 
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I'd remove that carpet to have a look. If it's clean beneath, put it back and look elsewhere.

Are you sure that it's not mold?
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  #6  
Old 01-18-2021, 07:47 AM
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Saville Saville is offline
 
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Sand tracked in while getting in?
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  #7  
Old 01-18-2021, 07:57 AM
Ron B. Ron B. is offline
 
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Any chance it could be ABC fire extinguisher powder. Has someone shot odd an extinguisher in the past, hope not.
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  #8  
Old 01-18-2021, 08:26 AM
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Jpm757 Jpm757 is offline
 
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Looks like BoeLube powder.
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  #9  
Old 01-18-2021, 08:36 AM
BillL BillL is offline
 
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It looks just like my car carpets after winter. Salt/deice deposits. Taste it.
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  #10  
Old 01-18-2021, 01:06 PM
Jake14 Jake14 is offline
 
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Thanks for all the suggestions...I'm trying to eliminate all the possibilities and currently leaning toward some kind of mold. The airplane's parked outside and it's pretty wet around here. Trying to find some way to test for mold....
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