On Wednesday, January 20, 2016 at 3:37:26 PM UTC-5, wrote:
You can trythis to confirm it..... without even removing the panel.......

Turn off the main breaker.

Now try to turn on the bad breaker.

If it still does not catch even with the main off, the breaker is definilty bad.


Ingenious. Simple and workable.

If the breaker is bad, there can still be something else wrong too. Sometimes breakers wear out, sometimes they go bad for a reason.