Commonwealth legislation

AD/M601/2 - Combustion Chamber Inner Liner

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Commonwealth

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legislative instrument

Plain English Summary

3/10 complexity

This Airworthiness Directive requires operators of specified Walter M601 turboprop engines to replace the combustion chamber inner liner (part M601-264.7) in accordance with Walter a.s service bulletins. CASA’s delegate says certain welding procedures were not followed in manufacture, creating a risk of liner failure.

Operators must pay for and schedule the replacement, comply before 31 December 2003, and follow the manufacturer’s instructions; the directive is issued under CASA’s regulatory authority and is binding on affected engine owners.

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AIRWORTHINESS DIRECTIVE

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For the reasons set out in the background section, the CASA delegate whose signature appears below issues the following Airworthiness Directive (AD) under subregulation 39.1 (1) of CASR 1998. The AD requires that the action set out in the requirement section (being action that the delegate considers necessary to correct the unsafe condition) be taken in relation to the aircraft or aeronautical product mentioned in the applicability section: (a) in the circumstances mentioned in the requirement section; and (b) in accordance with the instructions set out in the requirement section; and (c) at the time mentioned in the compliance section.

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Walter Turbine Engines - M601 Series

AD/M601/2 Combustion Chamber Inner Liner

AD/M601/2 Combustion Chamber Inner Liner 7/2003

Applicability: Walter M601 series engines as listed in Appendix 1 of Walter a.s Service Bulletins (S/B) A M601D/33a, A M601D-1/7a, A M601D-11NZ/7a, A M601E/29a, A M601E-

21/7a.

Requirement: Replace the engine combustion chamber inner liner part number M601-264.7 in accordance with Walter a.s Service Bulletins (S/B) A M601D/33a, A M601D-1/7a, A M601D-11NZ/7a, A M601E/29a, A M601E-21/7a.

Note: Czech AD CAA-AD-T-031/2003 refers.

Compliance: Prior to 31 December 2003.

This Airworthiness Directive becomes effective on 10 July 2003.

Background: During manufacture certain welding procedures were not adhered to. This could lead to failure of the liner.

Signature of Jim Coyne Delegate of the Civil Aviation Safety Authority

Jim Coyne

Delegate of the Civil Aviation Safety Authority 28 May 2003

View image in the official source

Source text

Sourced from the Federal Register of Legislation (legislation.gov.au), CC BY 4.0.

AIRWORTHINESS DIRECTIVE AIRWORTHINESS DIRECTIVE

AIRWORTHINESS DIRECTIVE

Walter Turbine Engines - M601 Series

AD/M601/2 Combustion Chamber Inner Liner AD/M601/2 Combustion Chamber Inner Liner 7/2003

AD/M601/2 Combustion Chamber Inner Liner 7/2003

Applicability: Walter M601 series engines as listed in Appendix 1 of Walter a.s Service Bulletins (S/B) A M601D/33a, A M601D-1/7a, A M601D-11NZ/7a, A M601E/29a, A M601E-

21/7a.

Note: Czech AD CAA-AD-T-031/2003 refers.

Compliance: Prior to 31 December 2003.

This Airworthiness Directive becomes effective on 10 July 2003.

Background: During manufacture certain welding procedures were not adhered to. This could lead to failure of the liner.

Jim Coyne

Delegate of the Civil Aviation Safety Authority 28 May 2003