For production orders the following enhancement is available:
You can use this enhancement to change the storage location and the indicator 'backflushing' in the reservation.
The enhancement PPCO0005 contains the following enhancement components:
Function exit
This function exit is only used during BOM explosion (that is when you create an order with CO01 or read master data) or if components are copied from a planned order to a production order.
You should note that after the function exit (that is, the function module) has been activated, the field storage location 'LGORT' and the indicator for backflushing 'RGEKZ' are reset for order creation in as far as these fields are not filled in the function exit.
There we recommend that you fill the export parameters STRLC_E and BACKFL_E at the start of the function exit with the import fields:
Enhancements are - in contrast to modifications - is to release because they are not made in the original SAP name range but in a name range reserved for the customer.
You can find the general procedure for creating enhanements in the enhancement transaction under the menu path Utilities -> Online manual.