42MSystem of maintenance: approval

#### 42M System of maintenance: approval (1) If: (a) CASA or an authorised person receives a request for approval of a system of maintenance; and (b) CASA or the authorised person is satisfied that: (i) the system includes the matters set out in regulation 42L; and (ii) the system adequately provides for the continued airworthiness of the aircraft; CASA or the authorised person must approve the system. (2) If, because of a direction of a kind referred to in regulation 42K, the holder of the certificate of registration for an aircraft submits a system of maintenance to CASA, the following provisions have effect: (a) if CASA is satisfied that: (i) the system includes the matters set out in regulation 42L; and (ii) the system satisfies the requirements of the direction; and (iii) the system adequately provides for the continued airworthiness of the aircraft; CASA must approve the system; (b) if CASA is not satisfied as mentioned in paragraph (a), CASA may: (i) modify the system so that CASA is so satisfied and approve the modified system; or (ii) refuse to approve the system. (3) In deciding whether a system of maintenance adequately provides for the continued airworthiness of an aircraft, CASA or the authorised person must have regard to: (a) if the system of maintenance relates to a class A aircraft—the manufacturer’s maintenance schedule and any inspection programs or documents issued by the manufacturer; and (b) if the system of maintenance relates to a class B aircraft—the manufacturer’s maintenance schedule and the CASA maintenance schedule. (4) CASA or the authorised person must, in writing, notify the holder of the certificate of registration for the aircraft concerned of CASA’s, or the authorised person’s, decision in relation to the system submitted. (5) If CASA or the authorised person decides: (a) not to approve the system of maintenance; or (b) to modify the system of maintenance; CASA or the authorised person must include in the notice required by subregulation (4) a statement of the reasons for that decision.