Could've been just a greasy hand when it was off and not hot. The patina can then build differently there because of the residue.
That’s exactly it. If you touch the exhaust pipes of a motorcycle when it’s off, it will burn an imprint on when the engine is on. The oil burns and leaves a print
Ok good cause this made me much more sad than making me laugh. Happy to hear this person likely did not suffer burns because of this.
The grease burns, leaving residu
I would bet money on this
Lol yeah I have a handprint like that on my metal freezer door that I avoid wiping off when I clean it. I just need to add “We Know” underneath and then it’s certainly not like the dark brotherhood is aware of what is in my freezer
... I would draw pretty pictures ... or print something else ...
Glad to know giving the thing you just fixed up a quick slap of encouragement is allowed for aviation mechanics.
This isn’t what you think it is. No one was hurt by this.
Bye bye fingerprints
This feels like the kinda thing making heat you feel before you touch it
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