I had to redo the putty where the yellow is show. It wasn't strong enough. So I did it last night and sanded this morning, I did a bit of work on the symmetry.
To be honest you have to sand both sides in order to get the correct shape in the cross-section. But the marked one has to be sanded a little bit more.
Harrison take your pics from farther distance.Look at the newspaper.It can be seen very good while the fuselage is blurred.And always take a pic of lightened side.