What was found
DURING FLIGHT, THE CREW NOTED SEVERAL ELECTRICALLY RELATED ANNUNCIATORS ILLUMINATED INCLUDING THE FLIGHT DIRECTOR AND YAW DAMP. THE CREW MADE A PRECAUTIONARY AIR-TURN-BACK. MX INSPECTED THE SYSTEM INCLUDING REMOVAL, INSPECTION AND REINSTALL OF BOTH FYD-65 YAW DAMP COMPUTERS. MX WAS NOT ABLE TO DUPLICATE THE PROBLEM OR FIND ANY DISCREPANCIES. AFTER A DELAY THE AC CONTINUED ON FLIGHT, WITH NO FURTHER DEFECTS. (K)