CHU
The aircraft has been weighed
twice and both times it complied.
Think about it a bit, its not just a seat and a bit of paint as you have said. There are many areas where weight can be saved. Its a 7
, not a 7a, to start with. There is no interior trim except the cushions to sit on. Go on, see if you can think of anything that can be dispenced with without compromising saftey, bet you can and I bet you come up with more than 4-5Kg, and thats what M did.