In article ,
John Smith wrote:

I always check my brakes, right then left, immediately upon rolling
forward to taxi.
I once had a non-functional right brake and could only make left turns
to get back to the parking spot. Had I been a little quicker on the
uptake, I would have parked it right away and had the tug push it back
into its spot.

You should be able to detect a bad brake when the pedal goes all the way
forward.

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