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This Subpart prescribes rules for maintenance for each aeroplane operated under this Part.
(a) A holder of an air operator certificate is responsible for the airworthiness of—
(1) every aeroplane that is operated under the authority of the certificate; and
(2) any equipment installed in or attached to the aeroplane.
(b) A holder of an air operator certificate must ensure that—
(1) every aeroplane that is operated under the authority of the certificate is maintained in accordance with the maintenance programme required under rule 119.63; and
(2) the maintenance is performed by—
(i) a maintenance organisation certificated in accordance with Part 145; or
(ii) for maintenance that is performed in another State that is party to a technical arrangement, a maintenance organisation that is certificated or appropriately authorised by the State to perform maintenance on the aircraft type in accordance with the conditions specified in the technical arrangement.
A holder of an air operator certificate who utilises condition monitoring as part of a maintenance programme for an aeroplane must provide the Director, each month, with a maintenance reliability report that contains details of—
(1) aeroplane utilisation; and
(2) a pilot report regarding aeroplane airworthiness; and
(3) aeroplane mechanical delay and flight cancellation; and
(4) unscheduled engine shutdown; and
(5) unscheduled engine removal; and
(6) unscheduled component removal; and
(7) confirmed component failure; and
(8) an incident regarding aeroplane airworthiness; and
(9) MEL usage.
(a) A holder of an air operator certificate who operates an aeroplane that is required under rule 125.377 to be equipped with an AEDRS must ensure that the maintenance programme required under rule 119.63 for the aeroplane includes—
(1) a trend monitoring programme for the engine; and
(2) a procedure for the AEDRS data to be entered into the trend monitoring programme at the lesser of—
(i) the interval recommended by the engine manufacturer or other appropriate organisation acceptable to the Director; or
(ii) every 10 hours of engine operating time; or
(iii) before a further SEIFR passenger operation if the AEDRS indicates that an engine parameter has been exceeded or there has been an AEDRS failure; and
(3) a procedure for analysing the AEDRS data entered into the trend monitoring programme under paragraph (a)(2) to identify—
(i) any unacceptable trend in the engine performance; and
(ii) any tolerance exceedance in the AEDRS data; and
(iii) any failure of the AEDRS; and
(4) details of the maintenance actions to be taken before the aeroplane is used for a SEIFR passenger operation following—
(i) the identification of any of the conditions specified under paragraph (a)(3); or
(ii) any maintenance on the engine or associated control systems where the engine manufacturer or other appropriate organisation acceptable to the Director recommends that engine baseline data be established following the maintenance; and
(5) a procedure for baseline data to be established by the AEDRS for the engine—
(i) before the aeroplane is used on a SEIFR passenger operation; and
(ii) following any operation of the engine without the AEDRS operating; and
(iii) when the maintenance actions required under paragraph (a)(4)(ii) require the AEDRS baseline data to be reestablished.
(b) The baseline data required under paragraph (a)(5) must be established by operating the aeroplane, engine, and propeller combination on air operations performed under VFR or SEIFR cargo only operations for—
(1) one complete maintenance cycle for the engine; or
(2) 100 hours time-in-service for the engine; or
(3) a period that is specified for establishing baseline data in the engine trend monitoring programme that is recommended by the engine manufacturer or other appropriate organisation provided that the engine trend monitoring programme is acceptable to the Director.
(c) For the purpose of paragraphs (a)(2)(i), (a)(4)(ii), and (b)(3), an appropriate organisation is an organisation that has design and maintenance knowledge of the engine type concerned.
(a) A holder of an air operator certificate must ensure that—
(1) an aeroplane is not operated under the authority of the certificate unless a maintenance review for the aeroplane has been carried out within the previous 12 months; and
(2) each maintenance review that is carried out is certified in accordance with paragraph (d).
(b) Except as provided in paragraph (c), the holder of an air operator certificate must ensure that a maintenance review for an aeroplane is not certified as having been carried out unless, since the last maintenance review—
(1) due maintenance specified in the applicable maintenance programme for the aeroplane has been completed within the time period specified; and
(2) every applicable airworthiness directive has been complied with in accordance with the requirements prescribed in Part 39; and
(3) every defect entered in the technical log has been rectified or properly deferred in accordance with the procedures in the certificate holder’s exposition; and
(4) every applicable certification for release-to-service has been made in accordance with subpart C of Part 43.
(c) The certificate holder may certify a maintenance review for an aeroplane on the basis of continuing compliance with a programme acceptable to the Director if—
(1) the programme samples every requirement of paragraph (b) during the review period; and
(2) the maintenance review is individually certified for each of the certificate holder’s aeroplanes.
(d) The certificate holder must ensure that the person who carries out the maintenance review for an aeroplane—
(1) is authorised by the certificate holder and has experience that is at least equivalent to the experience required for the grant of an appropriate aircraft maintenance engineer licence rating, for the type of aeroplane; and
(2) carries out the review in accordance with the applicable paragraph (b) or (c); and
(3) certifies that the maintenance review has been carried out by entering the following statement in the appropriate maintenance logbook with the person’s signature, authorisation number, and the date of entry:
The maintenance review for this aeroplane and such of its equipment as is necessary for its continued airworthiness has been carried out in accordance with the requirements of Civil Aviation Rule 125.415.
