If the person responsible for continuing airworthiness for a large aircraft or an aircraft that is authorised to operate under an AOC becomes aware of a major defect in the aircraft, the person must:
(a) investigate the cause of the defect; and
(b) give CASA a report containing the findings of the investigation within 14 days after completing the investigation.
Note: See also Division 42.D.6 for other requirements relating to defects.