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You are here: home->ama->D05->D.8.1.2.9.A.1
8129
What is indicated by a black ``smoky'' residue streaming back from some of the rivets on an aircraft?
| | A) Exfoliation corrosion is occurring inside the structure. |
| | B) Fretting corrosion is occurring between the rivets and the skin. |
| | C) The rivets were excessively work hardened during installation. |
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