{"id":"F2009L03769","name":"AD/PW4000/11 Amdt 1 - LCF Items - Mandatory Inspections","slug":"ad-pw4000-11-amdt-1-lcf-items-mandatory-inspections","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":141658,"registerId":"commonwealth-F2009L03769-current","compilationNumber":null,"startDate":"2026-04-03","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Pratt and Whitney Turbine Engines - PW40","sectionType":"division","heading":"Pratt and Whitney Turbine Engines - PW4000 Series","content":"### Pratt and Whitney Turbine Engines - PW4000 Series\n\n| AD/PW4000/11 Amdt 1 | LCF Items - Mandatory Inspections | 11/2009 |\n| ------------------- | --------------------------------- | ------- |\n\n| Applicability: | Pratt and Whitney PW4000 engines as specified by models in FAA AD 2005-25-09.                                                                                                                                                                  |\n| -------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n| Requirement:   | Action in accordance with the requirements of FAA AD 2005-25-09.Note: FAA AD 2005-25-09 Amdt 39-14402 dated 5 December 2009 refers. This AD supersedes FAA AD 2002-03-08.                                                                      |\n| Compliance:    | As detailed in the requirement document with a revised effective date of22 October 2009.                                                                                                                                                       |\n|                | This Amendment becomes effective on 22 October 2009.                                                                                                                                                                                           |\n| Background:    | FAA study of in-service events involving uncontained failures have indicated the need for mandatory inspections to ensure safety. This AD introduces these additional inspections.The original issue of this AD became effective 11 July 2002. |\n\n![](image.001.png)  \nJames Coyne  \nDelegate of the Civil Aviation Safety Authority\n\n2 September 2009","sortOrder":0},{"sectionNumber":"AD/PW4000/11 Amdt 1","sectionType":"part","heading":"AD/PW4000/11 Amdt 1","content":"## AD/PW4000/11 Amdt 1","sortOrder":1},{"sectionNumber":"LCF Items - Mandatory Inspections","sectionType":"part","heading":"LCF Items - Mandatory Inspections","content":"## LCF Items - Mandatory Inspections","sortOrder":2},{"sectionNumber":"11/2009","sectionType":"part","heading":"11/2009","content":"## 11/2009","sortOrder":3}],"analysis":{"flash_summary_failed":{"failed":true,"reason":"A positive credit balance is required for all requests, including BYOK, so fallback providers remain available. Add credits at https://vercel.com/d?to=%2F%5Bteam%5D%2F%7E%2Fai%3Fmodal%3Dtop-up to continue.","source":"analysis-cron"},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a standard amendment to an existing airworthiness directive. It maintains the original scope (mandatory inspections for fatigue-prone engine components) while updating the reference to the current FAA directive and adjusting compliance dates. The scope has not expanded beyond aviation safety regulation of specific engine models."},"complexity_factors":["Extremely short document (approximately 200 words)","No defined terms section — relies entirely on external FAA document for technical details","Single operative requirement: 'Action in accordance with FAA AD 2005-25-09'","No conditional logic, exceptions, or nested provisions within the instrument itself","All technical complexity is outsourced to the referenced FAA directive"],"plain_english_summary":"This AD mandates compulsory inspections of PW4000 engine parts susceptible to low-cycle fatigue, adopting FAA AD 2005-25-09 and replacing the 2002 directive. \n\nIt affects airlines, operators, and maintenance organisations using PW4000-powered Boeing 747/767 and Airbus A300/A310 aircraft. The inspections aim to detect fatigue cracks before they cause uncontained engine failures; non-compliance grounds the aircraft."},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":true,"description":"This amendment expands the previous directive by introducing additional mandatory inspections for LCF items and adopts the FAA AD 2005-25-09 inspection regime, thereby broadening inspection requirements compared with the 2002 AD. The change shifts ongoing compliance onto operators of the specified PW4000 models and fixes a new effective date for those obligations (Requirement; Background; Compliance)."},"complexity_factors":["Cross-reference to FAA AD 2005-25-09 for substantive inspection requirements (Requirement; Applicability) increases interpretive burden.","Supersession of an earlier AD (2002-03-08) requires operators to map prior compliance history to new obligations (Requirement).","Technical nature of inspections (LCF items) requires specialist maintenance capability and potential aircraft downtime (Background; Compliance).","Clear effective date (22 October 2009) sets a hard compliance deadline that can affect scheduling and operations (Compliance).","Regulatory adoption by the Civil Aviation Safety Authority (signed by Delegate) leaves limited administrative discretion but enforces mandatory action (document header/signature).","Limited in-text detail about inspection intervals and affected models means implementers must consult the referenced FAA AD for operational specifics (Requirement; Applicability)."],"plain_english_summary":"This amendment requires operators of Pratt & Whitney PW4000 series engines (models listed in FAA AD 2005-25-09) to carry out mandatory inspections of low-cycle fatigue (LCF) items. It adopts the FAA's inspection requirements to address reported in-service uncontained failures, supersedes the 2002 AD, and takes effect 22 October 2009; operators pay inspection costs and must adjust maintenance scheduling to comply."}},"importantCases":[],"_links":{"self":"/api/acts/ad-pw4000-11-amdt-1-lcf-items-mandatory-inspections","history":"/api/acts/ad-pw4000-11-amdt-1-lcf-items-mandatory-inspections/history","analysis":"/api/acts/ad-pw4000-11-amdt-1-lcf-items-mandatory-inspections/analysis","conflicts":"/api/acts/ad-pw4000-11-amdt-1-lcf-items-mandatory-inspections/conflicts","importantCases":"/api/acts/ad-pw4000-11-amdt-1-lcf-items-mandatory-inspections/important-cases","documents":"/api/acts/ad-pw4000-11-amdt-1-lcf-items-mandatory-inspections/documents"}}