Repair how? Rather vague. Is it ripped or torn? Or does it just need a good cleaning with saddle soap and a good leather conditioner?
Hi Lois, I am not sure what kind of damage you are fixing, but I hope this video helps you
Also, here is a link with some instruction to repair leather, good luck!
What kind of damage and real leather or fake?
Depending on the damage, there are repair kits like this one:
Do you have any photos you can post to help with answer?
Here's a post that might help - https://www.diynetwork.com/how-to/maintenance-and-repair/repairing/how-to-repair-a-leather-sofa-pictures
Here is a helpful video: https://www.youtube.com/watch?v=BwL8O-LZb_k
Here is a video on how to repair leather. https://www.youtube.com/watch?v=HvvGLMMTyFw