What was found
FLT#799, FLL- HAV. AIRCRAFT PERFORMED AN AIR TURN BACK TO FLL, AUTO FLT YAW DAMPER 1, YAW DAMPERS - SYSTEM 1. INSTALLED NEW YAW DAMPER SERVO ACTUATOR IAW AMM 27-26-51. REQUIRES OP CHECK AND LEAK CHECK. REF LOG PAGE 3586051, FOR REMOVAL AND REPLACEMENT OF YAW DAMPER SERVO ACTUATOR. REF LOG PAGE 3586051, ITEM 2 PERFORMED OP CHECK OF YAM DAMPER ACTUATOR IAW AMM 27-26-51. OP CHECK IS GOOD. NO LEAKS WERE NOTED FOR THE OP CHECK AND THE LEAK CHECK WAS GOOD.