It is populated with the operation, operation type and description from
the Part Operation table, for the part number selected, where:
The type of operation is Production "P" or Both Maintenance and
Production "B", and
The status effective date is greater than or equal to today's
date and the active status is Active "A" or
The status effective date is less than or equal to today's date
and the active status is Inactive "I".
The number of characters to be entered before the list is shown is
shown is governed by the value of "populate length".