The sorting portion is missing, unfortunately the parenthesis are unknow to me. So I am going to guess here.
you can try this:
SELECT ROUTING.MTRO_CODE, ROUTING.MTRO_OPER, ROUTING.MTRO_OPERDESC, ROUTING.MTRO_WC, ROUTING.MTRO_PARTSHR, ROUTING.MTRO_SETUPHRS
FROM DBAVH.ROUTING ROUTING
WHERE (ROUTING.MTRO_CODE=?) ORDER BY MTRO_CODE, MTRO_OPER ASC
OR
SELECT ROUTING.MTRO_CODE, ROUTING.MTRO_OPER, ROUTING.MTRO_OPERDESC, ROUTING.MTRO_WC, ROUTING.MTRO_PARTSHR, ROUTING.MTRO_SETUPHRS
FROM DBAVH.ROUTING ROUTING
WHERE (ROUTING.MTRO_CODE=? ORDER BY MTRO_CODE, MTRO_OPER ASC)
Kelloggs