Discoloration on the back of Apple AirPods

"Discoloration on the back of Apple AirPods: Hello, has anyone else experienced this same discoloration on the back of Apple AirPods? I just noticed this today. I only store these on top of my desk when charging. I don’t carry them or store them in my pant pockets. Is this something I should contact Apple about?"

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Back Particles on an AirPods Case:

The magnets have attracted dust particles. Do you have any lead from pencils laying about? I also see scuffs along the edges. That would indicate expansion, likely from corrosion. Corrosion can be from humidity from freezing water vapors, when it gets cold inside. I use a dehumidifier; something you might want to look into using.

Getting these Replaced:

A. View you Warranty:

So how long have you had these? Where did you purchase them? Contact Apple Support, seeing if it can be covered as a fault device. Select them here: https://checkcoverage.apple.com/products. Having used these in normal use, Apple's one-year free would not apply. Go here: Apple Service and Repair for AirPods - Apple Support. As it Reads: Our warranty doesn’t cover accidental damage or batteries that wear down from normal use. But, only Apple would hav ether ultimate say in this. As of this reply, there are no recalls on Apple's site: Apple Service Programs - Apple Support

B. Report this to Apple:

Do your Part: It is important that you provide feedback on this occurrence to Apple.  Apple won't get back to you directly, but the more feedback they receive on this, the more they will know what is going on, and what needs to be fixed in models to come.

1. Go Here: Feedback - AirPods- Apple
2. Select: "Other" for the "Feedback Type"
3. Comment: that this all occurred on your model, and how you use them. Include the URL of this thread.
4. Proceed from there as necessary