user exit or badi to update custom fields in inspection lot in qa02

Hi Experts,

using screen badi i have added 4 custom fields in QA01,QA02,QA03 .I need to edit workarea in qa02 and update custom fields values into QA02 tcode .

The user exit QPL10001 which is useful in work area update is not working for QA02.

please help me in finding user exit or BADI to update custom field values in qals.

Thanks in Advance..

Thanks,

Raj.N