What was found
(CAN) DURING FLIGHT, THE NR 1 INVERTER CAPTION LIGHT WOULD COME ON, INDICATING INVERTER FAILURE, THEN THE 26 VAC PILOT GYRO HORIZON CIRCUIT BREAKER WOULD TRIP AND SELECTION OF NR 2 INVERTER WOULD ALSO INDICATE FAILURE. FAILURE SEEMED TO OCCUR DURING RIGHT TURNS. MAINTENANCE CHECK REVEALED WIRE BUNDLE FROM THE GYRO HAD TO MAKE A TIGHT TURN AT THE CANNON PLUG. THIS CONFIGURATION CAUSED A WIRE OF THE BUNDLE TO OCCASIONALLY SHORT OUT. WIRE BUNDLE AND TUBE ROUTING ADJUSTED AND WIRE REPAIRED.