What was found
DURING FLIGHT, THE DG, NR 2 INVERTER, AND PR SAS ILLUMINATED ON THE CAD AND THE NR 2 GENERATOR AMPS WERE RUNNING ABOUT 20 AMPS HIGHER THAN THE NR 1 GENERATOR. THE AIRCRAFT BECAME UNSTABLE LIKE IT LOST ALL OF STABILITY. GOT EVERYTHING TO CLEAR ON THE CAD. DURING THE TURN, RECEIVED THE DG, NR 2 INVERTER AND PR SAS ON THE CAD. AT THIS POINT, WAS 5 MILES FROM BASE SO ELECTED TO RETURN AND HAVE ANOTHER AIRCRAFT FINISH THE TRANSPORT. LANDED WITHOUT ANY ISSUES. THE PR SAS AND NR 2 INVERTER WOULD NOT CLEAR. THE MECHANIC INSPECTED THE SYSTEM. THE AIRCRAFT WAS SUBSEQUENTLY RETURNED TO SERVICE WITH THE NR 2 INVERTER SYSTEM DEFERRED. OPEN