Blackhawk Stud Material?
Anyone know what material studs are used in the Blackhawk? Assuming it has the same style of Oil Filter
Steel.
Lots of other studs on the S92 MGB are titanium. And in the aerospace industry titanium is widely used for fasteners of different sorts. The way these things are overengineered (at 3x or 4x load minimum) you'd never expect there to be a problem with titanium studs in this application. Looking at the design of the oil filter assembly, I think you'd have to break off two studs before the filter body lifted out of the cavity far enough to cause serious leakage.
Was only one stud broken off in this accident, or two? Do we know if the MGB did not have oil in it when inspected? Was there evidence of oil streaming out along the fuselage? Maybe instead of another couple of caution messages on the panel displays what you really need is a tailfin camera so the pilots can look at the aft cowling area - same as Eurocopter giving up on reliable fire-detectors and simply putting an eyebrow mirror above the pilots so they could "see" if they really had a fire.