What was found
DURING FLIGHT CONTROL CHECK, CONTROL COLUMN WOULD NOT RETURN TO FULL FORWARD POSITION. INSPECTED AND FOUND ONE SCREW MIGRATED FROM LEFT ELEVATOR, RESET SCREW AND SECURED WITH SPEED TAPE, FERRIED AIRCRAFT TO HEF, FOUND BALANCE WEIGHT ASSY AT O/B ELEVATOR L/E WITH INCORRECT SIZE SCREW. REPOSITIONED SCREWS AND SECURED PER MM 55-20-00, OP CHECKED GOOD.