The TSA agent was attempting to determine if someone could break into a parked aircraft, ...
Pilots were furious at the TSA misstep.
"The brilliant employees used an instrument located just below the cockpit window that is critical to the operation of the onboard computers," one pilot wrote on an American Eagle internet forum. "They decided this instrument, the TAT probe, would be adequate to use as a ladder," the pilot wrote.
Another pilot wrote the TSA agents, "are now doing things to our aircraft that may put our lives, and the lives of our passengers at risk."
http://abcnews.go.com/Blotter/story?id=5613502&page=1
I hope he gets the recognition he deserves at annual review time.

Imagine if the damage had gone undetected. Jets have crashed due to the crew not dealing with instrument faliure due to blocked pitot ports.