What was found
IN LEVEL FLIGHT, AT 6,000 FT AND 185 KIAS, AIRCRAFT EXHIBITED UNCOMMANDED PITCH DOWN OF 2 DEGREES, FOLLOWED BY UNCOMMANDED PITCH UP OF APPROXIMATELY 2 DEGREES, BELOW 185 KIAS THIS MOTION CEASED. REPLACED LT ELEVATOR TRIM ACTUATOR COMPLIED WITH FUNCTIONAL AND RIG CHECK NO DEFECTS FOUND.