The last time I drove my Jeep, I noticed the front driver's side brake drum grabbing and it was progressively getting worse as the day went on. I also noticed when I got home that the hub was hot to the touch. Though I figured this was due to the brake drag, I wanted to inspect the bearings anyway. Took it apart yesterday and discovered that both bolts for the wheel cylinder were missing. The cylinder was allowed to just flop around there and eventually broke part of the brake shoe off. The bolts were not sheared, they came undone. Now it is conceivably possible that I didn't tighten them when I put everything together but I probably would have noticed a loose wheel cylinder during the bleeding process. It's weird but fixable. Scary how close I was to brake failure (cylinder shearing the brake line, shoes coming apart, etc.) Anyone ever have this happen? Just curious.