CASA EX52/23 – CRS and SM CRS Document to Cover Specialist Maintenance by a Class D AMO – Instrument 2023 (Cth)

Instrument number CASA EX52/23 I, daniel bernard o'hagan, Manager, Legislative Drafting, a delegate of CASA, make this instrument under regulations 11.160, 11.205 and 11.245 of the Civil Aviation Safety Regulations 1998.

[Signed D.B. O'Hagan] Danny O'Hagan Manager, Legislative Drafting 26 April 2023 CASA EX52/23 – CRS and SM CRS Document to Cover Specialist Maintenance by a Class D AMO – Instrument 2023

1 Name This instrument is CASA EX52/23 – CRS and SM CRS Document to Cover Specialist Maintenance by a Class D AMO – Instrument 2023.

2 Commencement This instrument: (a) commences on 1 May 2023; and (b) is repealed at the end of 30 April 2026.

3 Definitions In this instrument, words and phrases have the same meaning as in CASR.

4 Application This instrument applies to: (a) a Category A rated approved maintenance organisation (a CAT A AMO) for whom a Category D1 or D2 rated AMO (a CAT D1 or D2 AMO) (as appropriate) has carried out specialist maintenance; and (b) the CAT D1 or D2 AMO mentioned in paragraph (a).

5 Exemption — Category A rated AMO (1) A CAT A AMO is exempted from the requirements of the provisions mentioned in subsection (2) but only to the extent that the CAT A AMO's certificate of release to service (CRS) for an aircraft in relation to line or base maintenance on the aircraft: (a) may be taken to cover any specialist maintenance, in the form of non‑destructive testing or welding, carried out by a CAT D1 or D2 AMO that has issued a specialist maintenance certificate of release to service document (an SM CRS document) to the CAT A AMO for that specialist maintenance; and (b) may be issued although it may not be a CRS in accordance with regulation 42.760 of CASR only because of its reliance on the SM CRS document. (2) For subsection (1), the provisions are the following: (a) subregulations 42.725(1) and (2) of CASR; (b) regulation 42.730 of CASR; (c) paragraph 42.745(a) of CASR — but only in relation to paragraph 42.760(1)(c) in respect of the employees of the CAT D1 or D2 AMO who carried out the specialist maintenance; (d) paragraph 42.760(1)(c) — but only in respect of the employees of the CAT D1 or D2 AMO who carried out the specialist maintenance; (e) paragraph 145.030(1)(a), subparagraph 145.045(a)(v) and paragraph 145.070(1)(e) of CASR to the extent that they require compliance with subparagraph 145.A.55(c)1 of the Part 145 Manual of Standards (MOS), but only in respect of aircraft maintenance records to which subsection 7(2) applies.