{"id":"F2008L04087","name":"AD/PA-25/18 - Jury Strut - Modification - CANCELLED","slug":"ad-pa-25-18-jury-strut-modification-cancelled","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":75972,"registerId":"commonwealth-F2008L04087-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Piper PA-25 (Pawnee) Series Aeroplanes","sectionType":"division","heading":"Piper PA-25 (Pawnee) Series Aeroplanes","content":"### Piper PA-25 (Pawnee) Series Aeroplanes\n\n| AD/PA-25/18 | Jury Strut - Modification | 12/2008 |\n| ----------- | ------------------------- | ------- |\n\n| Requirement: | CANCELLED.                                                                                                                                                                            |\n| ------------ | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n|              | This AD is cancelled on 20 November 2008.                                                                                                                                             |\n| Background:  | This unique Australian AD specified modification of the jury struts in accordance with Piper SL No. 403. Compliance was required before September 1971. The AD is no longer required. |\n\n![](image.001.png)\n\nDavid Villiers  \nDelegate of the Civil Aviation Safety Authority\n\n2 October 2008","sortOrder":0},{"sectionNumber":"AD/PA-25/18","sectionType":"part","heading":"AD/PA-25/18","content":"## AD/PA-25/18","sortOrder":1},{"sectionNumber":"Jury Strut - Modification","sectionType":"part","heading":"Jury Strut - Modification","content":"## Jury Strut - Modification","sortOrder":2},{"sectionNumber":"12/2008","sectionType":"part","heading":"12/2008","content":"## 12/2008","sortOrder":3}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":2641},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":true,"description":"The instrument has changed from requiring specific airframe modifications (jury strut alterations) to imposing no obligations at all. The scope has been completely eliminated through cancellation."},"complexity_factors":["Extremely short length (under 150 words of substantive content)","No defined terms or interpretation section","No conditional provisions, exceptions, or procedural steps","Single administrative action (cancellation of previous instrument)","Plain language with only one technical term explained in context"],"plain_english_summary":"**What this does**\n\nThis document cancels a previous aviation safety rule that required owners of Piper PA-25 Pawnee aircraft to modify the \"jury struts\" (structural supports that help hold the wings in place).\n\n**Who it affects**\n\nOwners and operators of Piper PA-25 Pawnee series aeroplanes.\n\n**Why it matters**\n\nThis removes a maintenance obligation that had been in place for decades. Aircraft owners no longer need to perform this specific structural modification to meet Australian aviation safety standards, simplifying compliance requirements for these agricultural aircraft."}},"importantCases":[],"_links":{"self":"/api/acts/ad-pa-25-18-jury-strut-modification-cancelled","history":"/api/acts/ad-pa-25-18-jury-strut-modification-cancelled/history","analysis":"/api/acts/ad-pa-25-18-jury-strut-modification-cancelled/analysis","conflicts":"/api/acts/ad-pa-25-18-jury-strut-modification-cancelled/conflicts","importantCases":"/api/acts/ad-pa-25-18-jury-strut-modification-cancelled/important-cases","documents":"/api/acts/ad-pa-25-18-jury-strut-modification-cancelled/documents"}}