{"id":"F2011L00680","name":"AD/PA-32/24 Amdt 2 - Main Landing Gear Torque Links","slug":"ad-pa-32-24-amdt-2-main-landing-gear-torque-links","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":86304,"registerId":"commonwealth-F2011L00680-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Piper PA-32 (Cherokee Six) Series Aeropl","sectionType":"division","heading":"Piper PA-32 (Cherokee Six) Series Aeroplanes","content":"### Piper PA-32 (Cherokee Six) Series Aeroplanes\n\n| AD/PA-32/24 Amdt 2 | Main Landing Gear Torque Links | 9/2011 |\n| ------------------ | ------------------------------ | ------ |\n\n| Applicability: | All models with fixed landing gear except those with torque link P/N 78032-00V or 78033-000.                                                                                                                                                                                                                                                                           |\n| -------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n| Requirement:   | Action in accordance with Piper Mandatory Service Bulletin No. 1199 or FAA AD 72-08-06.Note: FAA Special Airworthiness Information Bulletin CE-10-17 refers. FAA SAIBs may be accessed via the internet at the following URL:http://rgl.faa.gov                                                                                                                        |\n| Compliance:    | At intervals specified in Piper Mandatory Service Bulletin No. 1199 or FAA AD72-08-06.Previous compliance with Piper Service Letter No. 600 constitutes compliance with this Amendment.                                                                                                                                                                                |\n|                | This Amendment becomes effective on 13 May 2011.                                                                                                                                                                                                                                                                                                                       |\n| Background:    | Original issue of this AD specified compliance with Piper SL No. 600.Amendment 1 exempted aircraft with improved design of torque link assembly.Amendment 2 specifies Piper MSB No. 1199 which was published in February 2009 and supersedes Piper SL No. 600 in its entirety. A Note about SAIB CE-10-17 was added. The word “Inspection” was deleted from the title. |\n\n![](image.001.png)\n\nCharles Lenarcic  \nDelegate of the Civil Aviation Safety Authority\n\n29 April 2011","sortOrder":0},{"sectionNumber":"AD/PA-32/24 Amdt 2","sectionType":"part","heading":"AD/PA-32/24 Amdt 2","content":"## AD/PA-32/24 Amdt 2","sortOrder":1},{"sectionNumber":"Main Landing Gear Torque Links","sectionType":"part","heading":"Main Landing Gear Torque Links","content":"## Main Landing Gear Torque Links","sortOrder":2},{"sectionNumber":"9/2011","sectionType":"part","heading":"9/2011","content":"## 9/2011","sortOrder":3}],"analysis":{"flash_summary_failed":{"failed":true,"reason":"Unauthenticated. Configure AI_GATEWAY_API_KEY or use a provider module. Learn more: https://ai-sdk.dev/unauthenticated-ai-gateway","source":"analysis-cron"},"flash_summary":{"complexity_score":4,"scope_assessment":{"changed":true,"description":"Amendment 2 replaces the earlier Piper Service Letter No. 600 with Piper Mandatory Service Bulletin No. 1199 (Feb 2009) as the controlling technical reference, adds a note referring to FAA SAIB CE‑10‑17, and deletes the word “Inspection” from the title. Amendment 1 had previously exempted aircraft with an improved torque‑link design. Net effect: the controlling compliance document and documentary references have changed (see 'Requirement', 'Applicability' and 'Background')."},"complexity_factors":["Cross-reference to external technical documents (Piper MSB No. 1199 and FAA AD 72‑08‑06) which define required actions and intervals.","Reference to an FAA Special Airworthiness Information Bulletin (CE‑10‑17) as additional guidance.","Applicability carve‑out by specific part numbers (P/N 78032‑00V or 78033‑000) creating conditional scope.","Acceptance of prior compliance with Piper Service Letter No. 600 introduces retrospective conformity considerations.","Amendment history (original AD, Amendment 1 and Amendment 2) changes the controlling technical source and wording (title change), requiring readers to track superseded documents."],"plain_english_summary":"This airworthiness directive requires owners/operators of Piper PA‑32 (Cherokee Six) aeroplanes with fixed landing gear (except those fitted with torque link P/N 78032‑00V or 78033‑000) to carry out the inspection/repair actions set out in Piper Mandatory Service Bulletin No. 1199 or FAA AD 72‑08‑06, at the intervals those documents specify. Prior compliance with Piper Service Letter No. 600 is accepted and the Amendment takes effect 13 May 2011. Operators bear the cost and must follow the external technical documents specified."},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This amendment maintains the original scope of ensuring torque link integrity on PA-32 aircraft. The changes are procedural updates — replacing superseded service instructions with current ones and clarifying exemptions — rather than expansion of regulatory reach."},"complexity_factors":["Single, clearly defined applicability criterion with one explicit exemption","Straightforward compliance mechanism: follow existing manufacturer service bulletin or FAA AD","Minimal conditional logic — only one exception (specific part numbers)","No defined terms section or interpretive provisions","Short document (approximately 200 words of substantive content)","Single cross-reference to external technical document (Piper MSB No. 1199/FAA AD 72-08-06)"],"plain_english_summary":"This CASA Airworthiness Directive mandates periodic inspections of main landing gear torque links on Piper PA-32 Cherokee Six aircraft with fixed landing gear to prevent torque link failures that can lead to gear collapse. \n\nIt applies to all affected owners/operators except aircraft already fitted with the improved torque link parts (78032-00V or 78033-000), updates prior guidance to Piper MSB No. 1199, and references FAA guidance (SAIB CE-10-17); prior compliance with Piper Service Letter No. 600 remains acceptable."}},"importantCases":[],"_links":{"self":"/api/acts/ad-pa-32-24-amdt-2-main-landing-gear-torque-links","history":"/api/acts/ad-pa-32-24-amdt-2-main-landing-gear-torque-links/history","analysis":"/api/acts/ad-pa-32-24-amdt-2-main-landing-gear-torque-links/analysis","conflicts":"/api/acts/ad-pa-32-24-amdt-2-main-landing-gear-torque-links/conflicts","importantCases":"/api/acts/ad-pa-32-24-amdt-2-main-landing-gear-torque-links/important-cases","documents":"/api/acts/ad-pa-32-24-amdt-2-main-landing-gear-torque-links/documents"}}