Expressions
Offering help
Can I help you?
What can I do for you?
Asking what the problem is
Is there something the matter with it?
What's wrong with it?
What exactly is the problem?
Describing problems
It's torn / stained / damaged / scratched / cracked / chipped / worn.
It has a tear / a hole / a stain / some damage.
There are a lot of scratches.
There's a crack.
It's leaking.
It has a leak.