Power leaves the panel and travels through the circuits to every outlet, switch, light, and appliance in the home. A repair isn't about the part that quit. It's about finding the one point along that path where the current is being interrupted, leaking, or generating heat, and making it right.
Most home electrical problems trace back to a connection: a wire that worked loose, a device that wore out, a splice that was never quite right. The current still wants to flow. It just can't get cleanly across that one spot, so it shows up as a dead receptacle, a flicker, or heat.
That's why the diagnosis matters more than the swap. Replacing the outlet that died often just moves the real fault down the line. We trace the circuit back to the actual cause, fix that, and confirm the whole run is sound before we call it done.