My mechanics don´t fix a roller coaster, they fix everything else except for that roller coaster. I set a patrol area to a mechanic for that ride but it just won´t fix it. It´s not something to do with the patrol area as it has been fixed by the mechanic several times before. I have also tried to put other mechanics around the area to see if they could fix it. I have fired all the mechanics and hired new ones, I ve also seen that 8 cars per trainer has an option to fix all rides but I think is not yet implemented. I can´t even demolish the rollercoaster and build it again so that is why I am asking for your help.