Well…. The customer was right. There was definitely a bad smokey somewhere in the bunch. After I replaced all of them in their house, I installed them into another house as an experiment to see if I would get the same result of if she was just a nutcase looking for attention.
As soon as I turned on the breakers to test out the house the smoke alarms went off nonstop. I didn’t take the time to find out what one was the problem, I just ripped them out and installed new ones.