Ho Ramesh,
Go to OMJJ click Movement type 349 go to Allowed Transactions > Maintain there QA11
Entries should be available in table T158B And then check for the reversal.
Please refer OSS knowledge base article 1649612 - Error message M7021 "Deficit of SL Stock in quality inspection" while canceling the goods receipt for a quality managed material
Regards,
R.Brahmankar