MemoryStone

an overzealous TSA employee attempted to gain access to the parked aircraft by climbing up the fuselage… reportedly using the Total Air Temperature (TAT) probes mounted to the planes’ noses as handholds.
“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.”

One Eagle pilot says had the pilots not been so attentive, the damaged probes could have caused problems inflight. TSA agents “are now doing things to our aircraft that may put our lives, and the lives of our passengers at risk”