2.7m high strong & robust ladder (Carleton FY6)

A strong / robust ladder that is designed to reduce to have it's size. Unfortunately, it now only reduces to 1.4m in height as one of the side channels is stopping it sliding smoothly together to make a ladder half the height. I have kept it full length for years so perhaps somebody who can knock it about a bit will get it to reduce to half height.
Needs picking up this weekend or next.
Thanks.