Date: 31 Mar 2000 22:25:34 From: James Robinson <NOSPAM@ERIE.NET> Organization: Disorganized Followups: 1 2
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When discussing old aircraft, such as 747s or DC-9s built in the '60s or early '70s, I've heard a number of people say that there are practically no original components on them. They suggest that practically everything would have been changed during maintenance over the years, from structural components to machinery and avionics. While I can understand the need for overhauls of worn mechanical components, and requalifying avionics, I know less about the need to replace structural pieces and fuselage parts. I don't see as great a need there. I am curious if this is just urban legend, or if this suggestion is truly the case. Can anyone provide some insight?