For a Cessna 182p, looks like original equipment , no auto pilot, does have a wing leveler though. Yesterday we noticed the red failure flag on the Turn Coordinator. We checked the breaker and it didn't pop (still in). Alternator current draw seems unchanged. So a couple of questions: 1.) To mark the instrument face INOP, I believe I should cover it. But can i leave the ball indicator uncovered since it is gravity only? 2.) To properly INOP the TC, I believe the power needs to be removed. It does have a dedicated breaker, but I don't think it can be pulled out manually. What should be done? 3.) Any rough estimate on cost and downtime to repair this? I want to use our plane for my checkride and can't imagine the DPE wanting to do the ride with no TC. Just wanting to fix this instrument. Not interested in solving with newER digital avionics at this time.