As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT, THE CREW REPORTED THE (D) DISCHARGE LIGHT ON THE RT PUSH TO DISCHARGE FIRE EXTINGUISHER BUTTON WAS INTERMITTENTLY ILLUMINATING. ALSO THE CREW REPORTED CAPTAIN`S DIRECTIONAL GYRO (DG) WAS INOP IN ALL MODES. THE CREW PERFORMED AN AIR-TURN-BACK. MAINTENANCE FOUND A BROKEN TERMINAL END AT THE RT SQUIB. MAINTENANCE REPLACED THE TERMINAL END. MAINTENANCE REPLACED THE CAPTAIN`S DG AND WITH NO FURTHER DEFECTS RETURNED THE AC TO SERVICE. (K)