{"id":"F2006B07976","name":"Airworthiness Directives 2004 - Revocation and Remaking - Pratt and Whitney Turbine Engines - JT3D Series","slug":"airworthiness-directives-2004-revocation-and-remaking-pratt-and-whitney-turbine-engines-jt3d-series","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":115024,"registerId":"commonwealth-F2006B07976-current","compilationNumber":null,"startDate":"2026-04-03","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"Airworthiness Directives 2004 - Revocation and Remaking - Pratt and Whitney Turbine Engines - JT3D Series","content":"---\nmeta-content-style-type: text/css\nmeta-content-type: application/xhtml+xml; charset=utf-8\nmeta-generator: Aspose.Words for .NET 20.2\n---\n\n?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"no\"?>\n\n Airworthiness Directives 2004\n\n I, DAVID ALAN VILLIERS, delegate of the Civil Aviation Safety\n\n Authority, acting under subregulation 39.001 (1) of the Civil\n\n Aviation Safety Regulations 1998:\n\n (a) revoke the Airworthiness Directives mentioned in\n\n Schedule 1; and\n\n (b) make, as separate instruments, each Airworthiness\n\n Directive mentioned in Schedule 1 and attached.\n\n \n\n ![](image.001.png)\n\n David Villiers\n\n Delegate of the Civil Aviation Safety Authority\n\n \n\n  20 December 2004\n\n Note:   Each attached Airworthiness Directive is being re-made in exactly the\n\n same form as appears in the latest published edition of the Directive.\n\n \n\n\n Schedule 1 Revocation and Remaking of\n\n Airworthiness Directives\n\n Pratt and Whitney Turbine Engines - JT3D Series\n\n AD Name AD Number\n\n Life Limited Components - CANCELLED AD/JT3D/1\n\n Jet Power Inc (JPI) AD/JT3D/2\n\n \n","sortOrder":0}],"analysis":{"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":false,"description":"The instrument revokes and re-makes the Airworthiness Directives listed in Schedule 1 but states the re-made ADs are identical in form to the latest published editions (Note). One AD is marked CANCELLED in the Schedule (AD/JT3D/1); AD/JT3D/2 is re-made as a separate instrument (Schedule 1). The instrument does not change the substantive requirements of the ADs as re-made."},"complexity_factors":["Procedural nature: instrument performs administrative revocation and re-issuance rather than introducing new operative technical rules.","Cross-reference to external texts: re-made ADs are the latest published editions, so understanding full obligations requires consulting those attached or published AD texts.","Multiple instruments listed: Schedule 1 lists more than one AD and indicates one is cancelled, requiring careful reading to see which remain operative.","Delegated authority reference: relies on subregulation 39.001(1) for legal footing, so readers must trace that regulation for the full scope of power."],"plain_english_summary":"CASA delegate David Alan Villiers, acting under subregulation 39.001(1), has revoked and re‑made certain Airworthiness Directives for Pratt & Whitney JT3D-series turbine engines as separate instruments (Schedule 1 cancels AD/JT3D/1 and lists AD/JT3D/2).\n\nThis is procedural: each re‑made AD duplicates the latest published edition, so the instrument doesn’t change substantive requirements. Engine owners, operators and maintainers remain responsible for complying with the now-separate AD instruments."},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This instrument performs a straightforward administrative remaking of existing directives without altering their substantive content. The scope remains identical to the original directives being remade."},"complexity_factors":["Very short document (under 300 words)","Only 2 substantive items in Schedule 1","No defined terms section","No cross-references to other legislation beyond the enabling regulation (subregulation 39.001(1))","Simple binary structure: revoke (a) and remake (b)","No conditional logic or exceptions"],"plain_english_summary":"This is a technical aviation safety instrument issued by the Civil Aviation Safety Authority (CASA) in December 2004. It does two things:\n\n**What it does:**\n- **Revokes** (cancels) two existing Airworthiness Directives for Pratt & Whitney JT3D series turbine engines — specifically AD/JT3D/1 and AD/JT3D/2\n- **Remakes** those same directives as brand new, separate legal instruments\n\n**Who it affects:**\n- Owners and operators of aircraft using Pratt & Whitney JT3D series engines (these are older turbofan engines, commonly used on Boeing 707 and early 747 aircraft, as well as some military planes)\n- Maintenance organisations working on these engines\n\n**Why it matters:**\nAirworthiness Directives are legally binding safety orders. They require specific inspections, repairs, or operational limits to keep aircraft safe. This instrument is essentially a housekeeping exercise — CASA is tidying up the legal status of these directives by formally cancelling the old versions and reissuing them as standalone instruments. The note confirms the content stays exactly the same; only the legal form changes.\n\n**Key takeaway:** If you operate JT3D engines, your safety obligations haven't changed, but the legal paperwork referencing those obligations has been refreshed."}},"importantCases":[],"_links":{"self":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-pratt-and-whitney-turbine-engines-jt3d-series","history":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-pratt-and-whitney-turbine-engines-jt3d-series/history","analysis":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-pratt-and-whitney-turbine-engines-jt3d-series/analysis","conflicts":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-pratt-and-whitney-turbine-engines-jt3d-series/conflicts","importantCases":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-pratt-and-whitney-turbine-engines-jt3d-series/important-cases","documents":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-pratt-and-whitney-turbine-engines-jt3d-series/documents"}}