What was found
(CAN) THE RT SIDE ELECTRIC TRIM DID NOT RESPOND WHEN NOSE DOWN TRIM WAS SELECTED ON CLIMBOUT. ACFT RETURNED TO MAINTENANCE BASE & LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED THE AFFECTED SYS IN DETAIL AND FOUND THE ELEVATOR TRIM SERVO PN: 622-5734-002 TO BE AT FAULT. NEW ELEVATOR TRIM SERVO WAS INSTALLED WITH A FULL SYS FUNCTION CHECK COMPLETED WITH NO DEFECTS NOTED. ACFT WAS RETURNED TO SERVICE. THE ELEVATOR ELECTRIC TRIM SERVO IN THIS ACFT CONFIGURATION IS PART OF THE AUTO-PILOT SYSTEM.