{"id":"F2008L04076","name":"AD/PA-25/2 Amdt 1 - Main Undercarriage Vee Assemblies - Inspection - CANCELLED","slug":"ad-pa-25-2-amdt-1-main-undercarriage-vee-assemblies-inspection-cancelled","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":75950,"registerId":"commonwealth-F2008L04076-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Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Piper PA-25 (Pawnee) Series Aeroplanes","sectionType":"division","heading":"Piper PA-25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-25/2 Amdt 1 | Main UndercarriageVee Assemblies - Inspection | 12/2008 |\n| ----------------- | --------------------------------------------- | ------- |\n\n| Requirement: | CANCELLED.                                                                                                                                                                                                                                                           |\n| ------------ | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n|              | This AD is cancelled on 20 November 2008.                                                                                                                                                                                                                            |\n| Background:  | This unique Australian AD specified inspection of the main undercarriage vee assembly at intervals not exceeding 100 hours time in service. This AD was not based on a Piper service document. Using an AD to make this inspection mandatory is no longer warranted. |\n\n![](image.001.png)\n\nDavid Villiers  \nDelegate of the Civil Aviation Safety Authority\n\n2 October 2008","sortOrder":0},{"sectionNumber":"AD/PA-25/2 Amdt 1","sectionType":"part","heading":"AD/PA-25/2 Amdt 1","content":"## AD/PA-25/2 Amdt 1","sortOrder":1},{"sectionNumber":"Main UndercarriageVee Assemblies - Inspe","sectionType":"part","heading":"Main UndercarriageVee Assemblies - Inspection","content":"## Main Undercarriage  \nVee Assemblies - Inspection","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":3009},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":true,"description":"The original legislation (AD/PA-25/2) mandated mandatory inspections of main undercarriage vee assemblies at 100-hour intervals. This amendment completely cancels those requirements, shifting from imposing safety obligations to removing them entirely."},"complexity_factors":["Single operative provision consisting of one word: 'CANCELLED'","No definitions section or technical terminology requiring explanation","No cross-references to other legislative instruments (only refers to itself being cancelled)","No exceptions, conditions, or procedural steps"],"plain_english_summary":"**What this does:** This document cancels a previous aviation safety rule that required owners of Piper PA-25 Pawnee aircraft to inspect the main undercarriage \"vee\" assemblies every 100 hours of flight time.\n\n**Who it affects:** Owners and operators of Piper PA-25 Pawnee series agricultural aircraft.\n\n**What changed:** As of 20 November 2008, you no longer need to perform this specific inspection to comply with Civil Aviation Safety Authority (CASA) requirements. CASA decided that making this inspection legally mandatory through an Airworthiness Directive (AD) was no longer necessary.\n\n**Background:** The original rule was created specifically for Australia and was not based on manufacturer service documents. After review, CASA determined that continuing to enforce this inspection through binding legislation was unwarranted, so they cancelled the directive entirely."}},"importantCases":[],"_links":{"self":"/api/acts/ad-pa-25-2-amdt-1-main-undercarriage-vee-assemblies-inspection-cancelled","history":"/api/acts/ad-pa-25-2-amdt-1-main-undercarriage-vee-assemblies-inspection-cancelled/history","analysis":"/api/acts/ad-pa-25-2-amdt-1-main-undercarriage-vee-assemblies-inspection-cancelled/analysis","conflicts":"/api/acts/ad-pa-25-2-amdt-1-main-undercarriage-vee-assemblies-inspection-cancelled/conflicts","importantCases":"/api/acts/ad-pa-25-2-amdt-1-main-undercarriage-vee-assemblies-inspection-cancelled/important-cases","documents":"/api/acts/ad-pa-25-2-amdt-1-main-undercarriage-vee-assemblies-inspection-cancelled/documents"}}