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Jay Honeck wrote:
The junior A&P in the shop that is doing my annual (whom I've known for Peering up into the hole, he showed me what looked like massive corrosion on the wing spar -- a sometimes fatal malady, not unknown to Cherokees. Two years ago a good friend had to replace BOTH wings on his Cherokee 140, and his plane was down for almost a year, precisely for this problem. His advice: Poke at it, to see if it's not left-over paint stripper from the last paint job. This nearly inaccessible joint is a common place for stripper to accumulate, because it's almost impossible to remove during the pre-paint job pressure wash. So, we fashioned a long, sharp scraper from some scrap aluminum, and I held my breath as he began to poke away at it... It easily flaked off into little chunks of "melted" paint. The metal underneath was perfectly clean -- and completely unblemished. Yea. My A&P found a similar area several years ago. I can't remember what he did to clean it, but I do remember him dowsing it with one of the corrosion sprays (ACF-50 or Corrorsion-X or something) after he was done cleaning it. You might want to do the same thing "just in case". It couldn't hurt. --- Jay -- __!__ Jay and Teresa Masino ___(_)___ http://www2.ari.net/jmasino ! ! ! http://www.oceancityairport.com http://www.oc-adolfos.com |
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Yea. My A&P found a similar area several years ago. I can't remember
what he did to clean it, but I do remember him dowsing it with one of the corrosion sprays (ACF-50 or Corrorsion-X or something) after he was done cleaning it. You might want to do the same thing "just in case". It couldn't hurt. Yeah, he painted the exposed metal with the green stuff. (Can't think of the name of that anti-corrosion paint at the moment...) -- Jay Honeck Iowa City, IA Pathfinder N56993 www.AlexisParkInn.com "Your Aviation Destination" |
#3
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Yea. My A&P found a similar area several years ago. I can't remember
what he did to clean it, but I do remember him dowsing it with one of the corrosion sprays (ACF-50 or Corrorsion-X or something) after he was done cleaning it. You might want to do the same thing "just in case". It couldn't hurt. Yeah, he painted the exposed metal with the green stuff. (Can't think of the name of that anti-corrosion paint at the moment...) Zinc chromate. No Spam |
#4
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Zinc chromate.
Bingo! -- Jay Honeck Iowa City, IA Pathfinder N56993 www.AlexisParkInn.com "Your Aviation Destination" |
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