1. A turbine engine rotor disc cavity inspection apparatus, comprising: a scope shaft, defining a central axis, insertable in and capable of axial translation within a rotor disc cavity; and a camera, coupled to the scope shaft, having a field of view generally tangential to the scope shaft central axis, for capturing images of a circumferential wall defining the rotor disc cavity, wherein the scope shaft includes a hollow distal end for retention of the camera therein and a circumferential window aperture aligned with the camera field of view, wherein a camera mounting sleeve retains the camera within the scope shaft hollow distal end, the camera mounting sleeve being coupled to the interior of the scope shaft, and wherein the distal end of the scope shaft comprises an end cap coupled to the scope shaft hollow distal end.