What was found
DURING INITIAL CLIMB, FLIGHT CREW RECEIVED 'RIGHT EMERGENCY BUS FAIL' INDICATION. FLIGHT CREW ELECTED TO RETURN TO POINT OF DEPARTURE FOR MAINTENANCE ACTION. AIRCRAFT RETURNED TO POINT OF DEPARTURE, AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE PERSONNEL UNABLE TO DUPLICATE FAULT. RESET RCCB'S AND PERFORMED GROUND RUN WITH NO FAULTS NOTED. ALL OPERATIONS NORMAL. AIRCRAFT RETURNED TO SERVICE. (M)