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Thread: Pending upgrade transparency
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Old Nov 2, 2011 | 12:05 pm
  #7  
channa
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Originally Posted by RobOnLI
No two systems are running at the same time. EUA runs until 30 minutes before departure which is why #3 can trump #1 for an upgrade and be upgraded before the flight. At 30 minutes EUA stops and the battlefield upgrade process takes over which is done by the gate agent and done in the order as the list appears online. But the two systems do not run simultaneously.

The battlefield list is not authoritative until flight close.

The problem is that the two orderings can be different, and that EUA runs until very close to departure time.
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