What was found
DURING CLIMB, EXPERIENCED A STRONG YAW, AXIS INPUTS WITH AND WITHOUT AUTOPILOT ON AND BOTH AUTOPILOTS. DECLARED AN EMERGENCY AND ACFT RETURNED. PERFORMED VISUAL INSPECTION OF RUDDER AND RUDDER COMPONENTS; NO DEFECTS NOTED. LEAKS NOTED OR EXCESSIVE PLAY IN RUDDER NOTED. R & R RUDDER POSITION TRANSDUCER UNIT. ALL OPS CHECKS NORMAL, R & R ELAC 1, REF L/P 1387674, ITEM NR 1 AND R & R FAC 1, REF L/P 1387674, ITEM NR 2 AS PRECAUTIONARY MX. NO FAULTS NOTED AT THIS TIME. ACFT OK.