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Old 15th January 2010 | 19:47
  #487 (permalink)  
glhcarl
 
Joined: Jan 2006
Posts: 454
Likes: 3
From: Georgia, USA
Many man-hours required, at considerable cost.
The major expense when installing the -524B4 engines (other than the engines) is replacing the stainless steel ECS ducts with titanium ducts.
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