Hi Pat,

Reply to me with the pictures and I'll get them posted...

Steve

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Goodyear, Patrick
Sent: Thursday, March 08, 2012 1:39 PM
To: [log in to unmask]
Subject: [TN] Black substance

Ok got a new one.    Found on the plated portion of a turret a black fuzz,
also on the riveted backside and the plated portions of all of the lands
outside the soldered areas.
It cleans right off with alcohol leaves no residue, is crystalline in
structure and grows away from the metal has a coral like appearance.

I have attached pictures but Steve is off today so don't know who else can
post.

Again a 40 year old board.

Any ideas????

Pat

.


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