FlyerTalk Forums - View Single Post - Return on Investment? - Upgrading 747s
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Old Oct 18, 2014 | 9:51 am
  #2  
Ledfish
 
Join Date: Aug 2013
Location: DTW
Programs: DL PM, Natl-Exec Elite, Hertz-President Circle, Marriot/Starwood-Gold, HHonors-Gold
Posts: 678
I don't think the decision to retire them was based on the ongoing maintanance and operating costs.
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