What might stem a leaky hooter? Timeless problem! (5)

I believe the answer is:

issue

I'm a little stuck... Click here to teach me more about this clue!

'problem' is the definition.
(issue can mean a problem or difficulty)

I don't understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for issue that I've seen before include "Argument" , "Topic; give out" , "Question in dispute to be settled" , "Kids" , "Hot topic; outcome" .)

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