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Old 21st March 2007 | 00:33
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vapilot2004
 
Joined: Aug 2005
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From: fairly close to the colonial capitol
The Boeing 777 has a DSO (design service objective) of 40,000 cycles.

However, the 777 has an in-service test fatigue cycle rating of 120,000 when using modified maintenance procedures designed for extended use.
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