I don't know. From the picture you posted, it just looks like what is referred to as "flames" or "blushing" which are lighter spots in the dark portions of the pattern. This is just normal color variation. If this is something new that you've just recently noticed, I guess it could be onset of scale rot, but again, can't tell without a better pic.
What substrate do you have the bp on? What are your temps and humidity? Some general recommendations here would be to remove whatever the current substrate is and set him/her up on white paper towels. If the spot feels like a burn or an injury of any kind, you may consider putting some triple antibiotic ointment (neosporin without pain relief) on it once or twice a day and monitor it until the next shed. But, I've never had anything like that personally, so if you're really worried, a vet visit wouldn't be a BAD idea...
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