The phrase "ailing system" refers to a system that is not working well and is in a state of decline or poor condition. It suggests that the system is struggling and experiencing problems. Full definition
I'm convinced now that an essential step in fixing what ails the system is getting rid of the monopoly granted by provincial statute to each of the law societies. (slaw.ca)
Nonetheless, it seems apparent that organized groups put a stranglehold on an already ailing system. (businessinsider.com)
Ahmed, via the Amazon link I provided in his biographical information, «argues that financial meltdown, dwindling oil reserves, terrorism and food shortages need to be considered as part of the same ailing system. (planet3.org)