{"id":"F2006B06392","name":"AD/PW4000/11 - LCF Items - Mandatory Inspections","slug":"ad-pw4000-11-lcf-items-mandatory-inspections","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":47698,"registerId":"commonwealth-F2006B06392-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"AIRWORTHINESS DIRECTIVE","sectionType":"part","heading":"AIRWORTHINESS DIRECTIVE","content":"# AIRWORTHINESS DIRECTIVE\n\n![](image.001.png)\n\n![](image.001.png)  \nFor 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 CAR 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.\n\nPratt and Whitney Turbine Engines \\-PW 4000 Series","sortOrder":0},{"sectionNumber":"AD/PW4000/11 LCF Items - Mandatory Inspe","sectionType":"part","heading":"AD/PW4000/11 LCF Items - Mandatory Inspections 7/2002","content":"# AD/PW4000/11 LCF Items \\- Mandatory Inspections 7/2002\n\nApplicability: Pratt and Whitney PW4000 engines as specified by models in FAA AD 2002-03-08 CORRECTION.\n\nRequirement: Action in accordance with the requirements of FAA AD 2002-03-08 CORRECTION.\n\nNote: FAA AD 2002-03-08 Amdt 39-12649 CORRECTION refers.\n\nCompliance: As detailed in the requirement document with a revised effective date of 11 July 2002.\n\nThis Airworthiness Directive becomes effective on 11 July 2002.\n\nBackground: FAA study of in-service events involving uncontained failures have indicated the need for mandatory inspections to ensure safety. This AD introduces these additional inspections.\n\n![Signature of James Coyne, Delegate of the Civil Aviation Safety Authority.](image.002.png)  \n\nJames Coyne\n\nDelegate of the Civil Aviation Safety Authority 29 May 2002\n\n![](image.001.png)","sortOrder":1}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1694},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This instrument maintains its original narrow scope of mandating fatigue inspections for PW4000 engines following US safety findings. It functions exactly as intended for Airworthiness Directives — adopting foreign safety requirements into Australian law without expansion into broader regulatory areas."},"complexity_factors":["Relies entirely on external US FAA directive by reference rather than spelling out the specific inspection steps in the Australian instrument","Uses aviation-specific technical terminology (LCF, uncontained failures, airworthiness directives) without definitions","Single-issue instrument with straightforward applicability (specific engine models only) and no nested exceptions"],"plain_english_summary":"Australia’s Civil Aviation Safety Authority requires operators of Pratt & Whitney PW4000 engines to carry out mandatory inspections for low‑cycle fatigue (metal cracking) per the FAA’s directive 2002‑03‑08 (correction). Compliance began 11 July 2002. \n\nThe measure targets parts that can cause uncontained engine failures, reducing the risk of engine debris damaging aircraft or injuring people."}},"importantCases":[],"_links":{"self":"/api/acts/ad-pw4000-11-lcf-items-mandatory-inspections","history":"/api/acts/ad-pw4000-11-lcf-items-mandatory-inspections/history","analysis":"/api/acts/ad-pw4000-11-lcf-items-mandatory-inspections/analysis","conflicts":"/api/acts/ad-pw4000-11-lcf-items-mandatory-inspections/conflicts","importantCases":"/api/acts/ad-pw4000-11-lcf-items-mandatory-inspections/important-cases","documents":"/api/acts/ad-pw4000-11-lcf-items-mandatory-inspections/documents"}}