{"id":"F2009L03428","name":"AD/TPE 331/5 - Fuel Nozzle and Manifold Assembly - Replacement - CANCELLED","slug":"ad-tpe-331-5-fuel-nozzle-and-manifold-assembly-replacement-cancelled","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":141026,"registerId":"commonwealth-F2009L03428-current","compilationNumber":null,"startDate":"2026-04-03","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"AlliedSignal (Garrett/AiResearch) Turbin","sectionType":"division","heading":"AlliedSignal (Garrett/AiResearch) Turbine Engines - TPE 331 Series","content":"### AlliedSignal (Garrett/AiResearch) Turbine Engines - TPE 331 Series\n\n| AD/TPE 331/5 | Fuel Nozzle and ManifoldAssembly - Replacement | 10/2009 |\n| ------------ | ---------------------------------------------- | ------- |\n\n| Requirement: | CANCELLED.                                                                                                                                                                        |\n| ------------ | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n|              | This AD is cancelled on 24 September 2009.                                                                                                                                        |\n| Background:  | This unique Australian AD specified action in accordance with Airesearch SB No. 9. The AD was issued in 1967 and compliance was required forthwith. The AD is no longer required. |\n\n![](image.001.png)\n\nJames Coyne  \nDelegate of the Civil Aviation Safety Authority\n\n14 August 2009","sortOrder":0},{"sectionNumber":"AD/TPE 331/5","sectionType":"part","heading":"AD/TPE 331/5","content":"## AD/TPE 331/5","sortOrder":1},{"sectionNumber":"Fuel Nozzle and ManifoldAssembly - Repla","sectionType":"part","heading":"Fuel Nozzle and ManifoldAssembly - Replacement","content":"## Fuel Nozzle and Manifold  \nAssembly - Replacement","sortOrder":2},{"sectionNumber":"10/2009","sectionType":"part","heading":"10/2009","content":"## 10/2009","sortOrder":3}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":2188},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"This instrument terminates the previous airworthiness directive entirely rather than expanding its coverage. The regulatory scope (which specific engines and components were covered) remains unchanged from the original 1967 intent until the cancellation date, after which the requirement ceases to exist."},"complexity_factors":["Single operative provision (cancellation only)","No defined terms or interpretation section","No conditional logic, exceptions, or procedural steps","No cross-references to other legislation (only historical references for context)"],"plain_english_summary":"This document **permanently cancels a 42-year-old aircraft safety rule** that required specific engine repairs.\n\n**What it does:**\n- Officially scraps Airworthiness Directive AD/TPE 331/5 effective 24 September 2009\n- Removes a mandatory maintenance requirement for owners of aircraft fitted with AlliedSignal (Garrett/AiResearch) TPE 331 series turbine engines (commonly found in older turboprops)\n\n**The old rule required:**\n- Replacement of fuel nozzles and manifold assemblies according to a 1967 manufacturer service bulletin (Airesearch SB No. 9)\n- Compliance \"forthwith\" (immediately) when originally issued\n\n**Why it matters:**\nAircraft operators and maintenance engineers no longer need to perform this specific fuel system replacement or keep records proving compliance. This reduces maintenance costs and administrative burden for operators of legacy aircraft, provided they have already met the original 1967 requirement or the components have been upgraded through other means."}},"importantCases":[],"_links":{"self":"/api/acts/ad-tpe-331-5-fuel-nozzle-and-manifold-assembly-replacement-cancelled","history":"/api/acts/ad-tpe-331-5-fuel-nozzle-and-manifold-assembly-replacement-cancelled/history","analysis":"/api/acts/ad-tpe-331-5-fuel-nozzle-and-manifold-assembly-replacement-cancelled/analysis","conflicts":"/api/acts/ad-tpe-331-5-fuel-nozzle-and-manifold-assembly-replacement-cancelled/conflicts","importantCases":"/api/acts/ad-tpe-331-5-fuel-nozzle-and-manifold-assembly-replacement-cancelled/important-cases","documents":"/api/acts/ad-tpe-331-5-fuel-nozzle-and-manifold-assembly-replacement-cancelled/documents"}}