Date: 13 Feb 97 01:37:34 From: Jean-Francois Mezei <"[nospam]jfmezei"@videotron.ca> Organization: SPC Followups: 1 2 3 4 5 6 7 8
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Recent news reports about TWA800 has shown one of the relatives speaking out on the 747-100 after a tour of the NTSB reconstruction site. He said that the plane was well past its planned lifetime and should have been retired years ago. What exactly does this mean ? Are planes designed to "expire" after so many cycles ? What happens to maintenance schedules and certification process once a plane acheives its expected lifetime ? In the case of the 747-100, are we talking here about a plane that long ago passed its originally designed lifetime but was granted extentions because it was still in good shape ? Or was the plane truly past its lifetime with maintenance continuing and certification agencies not taking action (what action could be taken?) ??? What happens when a plane reaches its designed age ? Does this mean that the owner takes it apart, xrays the squeletton and rebuilds it with brand new parts, or does it just get a regular major check-up ?