{"id":"F2010L00587","name":"AD/PFP/17 Amdt 4 - Hub Cracking - CANCELLED","slug":"ad-pfp-17-amdt-4-hub-cracking-cancelled","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":123645,"registerId":"commonwealth-F2010L00587-current","compilationNumber":null,"startDate":"2026-04-03","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Propellers - Fixed pitch","sectionType":"division","heading":"Propellers - Fixed pitch","content":"### Propellers - Fixed pitch\n\n| AD/PFP/17 Amdt 4 | Hub Cracking - CANCELLED | 4/2010 |\n| ---------------- | ------------------------ | ------ |\n\n| Requirement: | CANCELLED.                                                                                                                                                                                                                                                      |\n| ------------ | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n|              | This AD is cancelled on 10 March 2010.                                                                                                                                                                                                                          |\n| Background:  | A State of Design airworthiness directive issued on or after 1st October 2009 is defined as an airworthiness directive per CASR Part 39.001A. The requirements of this airworthiness directive have been superseded by FAA AD 2010-04-05 issued8 February 2010. |\n\n![](image.001.png)  \nMike Higgins  \nDelegate of the Civil Aviation Safety Authority\n\n25 February 2010","sortOrder":0},{"sectionNumber":"AD/PFP/17 Amdt 4","sectionType":"part","heading":"AD/PFP/17 Amdt 4","content":"## AD/PFP/17 Amdt 4","sortOrder":1},{"sectionNumber":"Hub Cracking - CANCELLED","sectionType":"part","heading":"Hub Cracking - CANCELLED","content":"## Hub Cracking - CANCELLED","sortOrder":2},{"sectionNumber":"4/2010","sectionType":"part","heading":"4/2010","content":"## 4/2010","sortOrder":3}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1990},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"This instrument terminates the previous directive without expanding or altering its substantive scope. It is a pure cessation instrument that simply ends the operation of AD/PFP/17; the regulatory scheme for aviation safety remains continuous, but the specific mandatory requirements are discontinued in favour of a foreign jurisdiction's directive."},"complexity_factors":["Single operative provision (cancellation)","No defined terms or interpretation section","No conditional logic, exceptions, or procedural steps","Extremely brief (only 2 sentences of substantive content)","Cross-reference to superseding FAA directive included only for background context"],"plain_english_summary":"This instrument **cancels** a previous airworthiness directive that required inspections of fixed-pitch propellers for cracks in the hub.\n\n**What it does:**\n- Officially cancels Airworthiness Directive AD/PFP/17 Amendment 4 effective 10 March 2010\n- Removes the previous mandatory inspection requirements for affected propellers\n\n**Why it matters:**\nThe old Australian safety requirements are no longer needed because they have been replaced by a United States Federal Aviation Administration (FAA) directive (FAA AD 2010-04-05). Aircraft owners must now follow that FAA directive instead of the old CASA one.\n\n**Who it affects:**\nOwners and operators of aircraft with fixed-pitch propellers previously subject to hub cracking inspections under the cancelled directive."}},"importantCases":[],"_links":{"self":"/api/acts/ad-pfp-17-amdt-4-hub-cracking-cancelled","history":"/api/acts/ad-pfp-17-amdt-4-hub-cracking-cancelled/history","analysis":"/api/acts/ad-pfp-17-amdt-4-hub-cracking-cancelled/analysis","conflicts":"/api/acts/ad-pfp-17-amdt-4-hub-cracking-cancelled/conflicts","importantCases":"/api/acts/ad-pfp-17-amdt-4-hub-cracking-cancelled/important-cases","documents":"/api/acts/ad-pfp-17-amdt-4-hub-cracking-cancelled/documents"}}