One just happened last week. A problem with the air brakes that made them evacuate an entire car on the train. I've been on other trains that lost all electrica

One just happened last week. A problem with the air brakes that made them evacuate an entire car on the train. I've been on other trains that lost all electrical power in the passenger cabs. Had engines that could not start after pulling into stations. Not too mention when one train breaks down others get stuck behind it.