What was found
(CAN) RUDDER TRIM NOT RESPONDING TO INPUTS. NO MOVEMENT ON FLIGHT CONTROL PAGE OR RUDDER TRIM POSITION ON PEDESTAL. RUDDER TRM RESET C/B NO FIX CLEANED RUDDER TRIM SW IAW AMM 27-21-23-102-017: NO FIX FIM 27-21-00-990-806 ACCOMPLIHED UP TO ITEM 54 POWER CHECKED FROM CB TO TRIM CONTROL PANEL HARNESS: POWER IS OK. NEW AILERON/RUDDER TRIM CONTROL PANEL INSTALLED: NO FIX OLD AILERON/RUDDER TRIM CONTROL PANEL RE-INSTALLED IAW REMOVAL, AMM 27-21-23-002-001 INSTALLED AMM 27-21-23-422-007.