PARKING BRAKE SPRING RSX 850i

Hey all.....I have a 2010 JD Gator RSX 850i....the parking brake is able to be engaged but it wont disengage unless I use my hand to mess around with it....It appears that there may be a spring loose or broken......I'll show you a pic and hopefully someone will be able to tell me what the problem is and where to purchase a part..:eek:

....any suggestions would be great!

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