2007 Silverado 5.3 - Chasing an Oil Leak Pt 1 of 3, Replacing Crankshaft Position Sensor

In this video I’m chasing an oil leak in the back passenger side corner of the Oil Pan. My first thought is to replace the oil pan gasket, but I decided to see if the problem is actually the Crank Shaft Position Sensor.
AC Delco Part Number: 12703627