What was found
SYR - FL 1629 - EN ROUTE YOW-PIT - CREW RECEIVED VARIOUS OFF FLAGS AND SYSTEM FAIL INDICATIONS, INCLUDING THE NR 2 GYRO FLAG, CAPTAINS COMPASS FLAG, AUTOPILOT INOP, MACH TRIM 'INOP' LIGHT ON, AND NAV INSTRUMENT FAILURE MONITOR LIGHT FLASHING, WHICH INDICATED THAT THE RIGHT BUS HAD FAILED. FLIGHT DIVERTED TO SYR AND LANDED WITH NO FURTHER INCIDENT. MAINTENANCE COULD NOT DUPLICATE THE PROBLEM. CIRCUIT BREAKER B1-72, RIGHT DC RADIO BUS, WAS REPLACED AS A PRECAUTION. (M)