> If they weren't, Delta would say so, since it makes them look better. That they won't say means the parts were used in service.
More likely they would just never comment whether it makes them look better or not, because otherwise for the reason you stated you could always gather the information they didn’t want you to have in the negative case.
More likely they would just never comment whether it makes them look better or not, because otherwise for the reason you stated you could always gather the information they didn’t want you to have in the negative case.