You've heard the term Magnafluxed. To most, it means taking a part and checking it for cracks. Typically, the teardown guy brings a part to the "Mag" unit, wets it down with solution, presses the ...
See a live magnetic particle inspection of a pitch change fork from a general aviation propeller by Jon Burg, the nondestructive test technician at Aircraft Propeller Service, in Lake Zurich, Illinois ...