I think it's time to remove the outlet to make sure it has power from the circuit breaker. If it does, then you have a bad GFCI outlet. If it doesn't then you may have a bad circuit breaker. You can test that one the same way by pulling it to make sure it has power to one side. Let us know how it goes.
2014 Georgetown 351DS
-TruCenter -Front/Rear CHF -Hellwig Links -Tiger Trak -Ran McNally GPS -ScanGauge -Truck Systems TPMS -5 Star Tune