Hi
The user might have mistaken. We cannot change the Approval status field with out clicking the Pencil icon. There is one more status field (HP QC Default status field) which can be changed by dropdown so your user might have selected default status coloumn.
Default HPQC status filed will be automatically updated as we change the Approval status(Genilogx) field. You can even do the filter on the status filed.
It cannot be reproduced its just a user error