Reddit is a good place Ive never seen this band so can't use memory. Hopefully someone there pics it up. Where did you post? r/tipofmytongue is a good place.
Not necessarily, it could have congregated in a spot and then dust acumalted on it over time causing a short.
But Im really just saying its possible you would have to open it and see what the damage was and the likely cause. Part serve isn't exactly known for their fairness either so I'm on the...
Doesn't even need to be corrosion. If there was a short from the liquid or the sticky mess at some point it can easily blow a fan controller or capacitor etc.