Thanks but other Skyteam airlines (such as MEA) show a seatmap that accords with that of KLM and so does Expedia.com (except for one seat). Clearly, Skyteam airlines and Expedia, etc.. pull their seat availability map from somewhere else than EF does. I am not sure what it means to say that EF seatmap is "correct" if it shows seats as available which are seemingly in fact not available to passengers. EF seatmap no doubt reflects the feed that it receives. It does not necessarily follow from this that this feed is "correct" in the sense of reflecting the reality of seats available to passengers.

In any event, we clearly have a discrepancy for which there is at present no explanation.