Besides the crystallisation of losses on the original investment, and the huge loss of face that brings, there's the risk that (as some predict above) a stronger competitor airline could get it and create bigger headaches for FR than EI ever was.
Oh you mean the one they wrote down in 2009
Hardly loss of face as they have ONLY paid out £1.2 Billion in dividends since and carried 200 Million passengers so guess they really worred