Any failure, malfunction or defect of any system or equipment, or damage or deterioration thereof found as a result of compliance with an airworthiness directive or other mandatory instruction issued by a regulatory authority, when:
Kakršna koli napaka, nepravilno delovanje ali okvara katerega koli sistema ali opreme ali njuna poškodba ali poslabšanje, ki se odkrije na podlagi izpolnjevanja navodila glede plovnosti ali drugega obveznega navodila, ki ga izda regulativni organ, kadar: