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Old Dec 31, 2012 | 3:35 pm
  #6  
hydrogen
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10 Years on Site
 
Join Date: Nov 2012
Location: NYC
Programs: AC SE, Bonvoy Plat, Natl Exec
Posts: 2,344
Originally Posted by oliver2002
This changing FFP # back and forth is not advisable. Either keep your booking void of a FFP # or stick to one number all the way. Changing it in the departure control system after checkin may result in some unexpected results which are irreversible.
Could you please explain in a bit more detail?
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