Try this:
WITH tmp2 AS
(SELECT *
FROM prod_trkg_tran ptt
WHERE ptt.menu_optn_name = 'RF Split/Comb {Carton}'
AND ptt.cntr_nbr = '0031195609'
)
SELECT * FROM tmp2
UNION
SELECT *
FROM prod_trkg_tran ttp
INNER JOIN tmp2
ON ttp.tran_nbr = tmp2.tran_nbr
WHERE ttp.menu_optn_name = 'RF Split/Comb {Carton}'
AND ttp.cntr_nbr <> '0031195609'