42RApproval of changes

#### 42R Approval of changes (1) If: (a) CASA or an authorised person receives a request for approval of a change to an approved system of maintenance; and (b) CASA or the authorised person is satisfied that the system, as proposed to be changed, would: (i) include the matters set out in regulation 42L; and (ii) adequately provide for the continued airworthiness of the aircraft; CASA or the authorised person must approve the change. (2) If, because of a direction of a kind referred to in regulation 42Q, the holder of the certificate of registration for an aircraft submits a proposed change to an approved system of maintenance to CASA, the following provisions have effect: (a) if CASA is satisfied: (i) if the direction was for a specified change to be made—the change has been made; and (ii) if the direction was for a change to correct a specified deficiency in the system—the deficiency would be corrected by the change; and (iii) that the system, as proposed to be amended, would: (A) include the matters set out in regulation 42L; and (B) adequately provide for the continued airworthiness of the aircraft; CASA must approve the change; (b) if CASA is not satisfied as mentioned in paragraph (a), CASA may: (i) modify the change so that CASA is so satisfied and approve the modified change; or (ii) refuse to approve the change. (3) In deciding whether a system of maintenance as proposed to be changed would adequately provide 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 change submitted. (5) If CASA or the authorised person decides: (a) not to approve the change; or (b) to modify the change; CASA or the authorised person must include in the notice required by subregulation (4) a statement of the reasons for that decision.