From: AAEEE4P@snds.com Organization: Sundstrand Corporation Date: 06 Nov 96 05:12:38
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I need some specific information about the phenomenon nicknamed "red plague". This is where silver plated copper wire in aircraft applications will corrode to destruction, leaving a spaghetti of insulation and red residue. I have two Lockheed aircraft being cited as examples, the P3 and the C130. Several questions arise. What kind of wire insulation was used, and will different insulation help? What kind of wire was the silver plated type replaced with? (In some High Temp. environments tin plated is not acceptable, and nickel plated does not solder easily). Is this a "main" harness problem or widespread in the aircraft. What about electronics boxes, rack mount and otherwise? Has this been documented in detail somewhere? I have been involved with the design and maintenance of several new and old aircraft power and elecronics systems for over 10 years and I am unaware of a concern with silver plated wire until now. If there is some good info on the subject or someone with history I would appreciate it.