42Defective or inappropriate maintenance schedule

#### 42 Defective or inappropriate maintenance schedule If the maintenance schedule for a class B aircraft is defective or no longer appropriate, the holder of the certificate of registration for the aircraft, within 7 days after becoming aware of the defect, or that the schedule is inappropriate, must report the situation to CASA and take one of the following actions to ensure that the aircraft has a maintenance schedule that is appropriate and not defective: (a) if the aircraft’s maintenance schedule is the manufacturer’s maintenance schedule: (i) elect to use the CASA maintenance schedule as the aircraft’s maintenance schedule; or (ii) under regulation 42J, request CASA or an authorised person to approve a system of maintenance for the aircraft; (b) if the aircraft’s maintenance schedule is the CASA maintenance schedule: (i) elect to use the manufacturer’s maintenance schedule as the maintenance schedule for the aircraft; or (ii) under regulation 42J, request CASA or an authorised person to approve a system of maintenance for the aircraft; (c) if the aircraft’s maintenance schedule is an approved system of maintenance: (i) under regulation 42P, request CASA to approve a proposed change to the system; or (ii) elect to use the manufacturer’s maintenance schedule as the maintenance schedule for the aircraft; or (iii) elect to use the CASA maintenance schedule as the maintenance schedule for the aircraft. Penalty: 25 penalty units.