"Andrew B" wrote

I have seen similar areas on other ATR42 aircraft and it seems to be a
standard feature, it's just that it stands out on this one.

It appears to be a "cargo loading" door that has been replaced and not
yet painted. See:
http://www.airliners.net/photo/CSA--...461524/L/&sid=
0330cae2681537c95687d78991642d2a

Makes sense.....FEDEX uses the ATR-42 for their package service.

Bob Moore