On 16 Oct, 19:15, reea wrote:
I was caught using someone elses freedom pass in error instead of my own
oyster on London Underground. My details were taken but I wasn't given
an on the spot fine. i have only just recieved a summons.

Never trust any legal advise you get on the internet

You'll have to explain why you were carrying someone elses freedom
pass around. If you have oyster history showing a regular journey that
might help your case. If the freedom pass was in daily use up to that
point you're going to have problems.