Dave you nailed it! Removed caliper and rotor and the remains of the ebrake pads just fell out on the floor. The rest of that assembly looks in pretty good shape - it's all still there in place. Gave everything a good cleaning with some suds lab wheel cleaner and a stiff brush. Went for a short test drive and the R/R wheel was no hotter than the left. So gonna replace the ebrake bads for now (ASAP). The rear wheel bearings did sound a bit rough but the plan is to keep driving it locally for a few weeks (hopefully), with careful monitoring until I can take it off the road to replace the rear wheel bearing and some other stuff I've got planned. May also replace the calipers or at least replace the piston boots while I've got all that stuff off the car. Maybe this is a good excuse to get a shop press, I've got a 93 that probably needs the same TLC too.