Arrived on job site; the customer stated that he was turning breakers on and off while attempting to replace a part in the upstairs bedroom ceiling fan. While identifying which breaker controlled the fan, one breaker failed to reset and would not turn back on, indicating a failed breaker. I informed the customer that, due to the age of the electrical panel, it is common for breakers to fail when tripped or reset, and this can potentially create a domino effect with other breakers. I explained that the long-term solutions would be either replacing the affected breakers or replacing the panel. The customer requested options for breaker replacement as well as smoke detector replacement. For now, I replaced the failed breaker using a customer-supplied breaker, and all affected circuits are operating properly. One breaker shown turned off in the panel photos remains off because the customer is still working on the ceiling fan. I advised the customer that estimates for breaker replacement
