this solution includes the basic wiring repair to the bathroom switch box and the first floor switches at front door. customer supplied devices. Also includes diagnostics for an additional trip to troubleshoot powerloss to rear porch. We have replaced the switches at the front door and repaired the wiring at the switch in the upstairs bathroom. We shall return this following Monday to diagnose powerloss to rear porch. We have located the fault in the circuit. Receptacle in living room area that was being replaced was found to be corroded and connection had failed. Customer to replace the existing devices.