As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FA SMELLED A FIRE SMELL IN CABIN. GOT UP TO CHECK AND SMELLED SOMETHING HOT. UPON RETURNING TO COCKPIT NOTICED THE CAB AC MASTER CIRCUIT BREAKER HAD POPPED. OVEN WAS OFF AND PASSENGERS WERE NOT USING AC OUTLETS. REMOVED AND REPLACED STATIC INVERTER IAW MM 24-00-00. REMOVED 28VDC INVERTER PN SS120 SN 1456.