Originally Posted by
oliver2002
2. In FRA any agent can upgrade you, I would head for the nearest lounge when you deplane, which probably is the SEN lounge in A.
I had a nice result recently stopping at the first customer service center I found in FRA after disembarking from TXL. Agent called and confirmed availability of catering, etc., gave me my new F boarding pass and told me which F lounge to go to so that I had car service to my US flight.
Greg