Are we scared yet? Debrief: Lycoming crankshaft oil seal failures with no notice

Calling out an unsafe condition on a couple Lycoming engines! We found the same thing on three different planes and it’s enough to make your head spin and butt pucker. Calling out Lycoming Service Instructions and a Service Letter on this one as well as some technical data that may have been overlooked. How far does this need to go to draw attention and be addressed? If unaddressed & not caught, how long would it take to seize an engine due to oil starvation? Come check it out! Reference Lycoming SI1324D & Dow Corning 737 Natural Cure tech documents