Ok.. got it!
Here's a sample of the code I used:
select * into table lt_vrpma2
from vrpma
for all entries in lt_vbrk
where vbeln = lt_vbrk-vbeln
and vkorg = '1390'
and fkdat in fkdat
and fkart in fkart .
sort lt_vrpma2.
loop at lt_eord into wa_eord.
loop at lt_vrpma2 into wa_vrpma2.
if wa_vrpma2-matnr = wa_eord-matnr.
wa_vrpma3-matnr = wa_vrpma2-matnr.
wa_vrpma3-vkorg = wa_vrpma2-vkorg.
wa_vrpma3-fkdat = wa_vrpma2-fkdat. wa_vrpma3-vtweg = wa_vrpma2-vtweg.
wa_vrpma3-fkart = wa_vrpma2-fkart. wa_vrpma3-kunnr = wa_vrpma2-kunnr.
wa_vrpma3-kunag = wa_vrpma2-kunag. wa_vrpma3-vbtyp = wa_vrpma2-vbtyp.
wa_vrpma3-ernam = wa_vrpma2-ernam. wa_vrpma3-vbeln = wa_vrpma2-vbeln.
wa_vrpma3-posnr = wa_vrpma2-posnr. wa_vrpma3-fktyp = wa_vrpma2-fktyp.
wa_vrpma3-adrnr = wa_vrpma2-adrnr. wa_vrpma3-belnr = wa_vrpma2-belnr.
wa_vrpma3-gjahr = wa_vrpma2-gjahr.
append wa_vrpma3 to lt_vrpma3.
endif.
endloop.
endloop.