{"id":"F2008L03725","name":"AD/PA-34/11 - Wing Skin/Rib - Inspection and Modification - CANCELLED","slug":"ad-pa-34-11-wing-skin-rib-inspection-and-modification-cancelled","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":75456,"registerId":"commonwealth-F2008L03725-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Piper PA-34 (Seneca) Series Aeroplanes","sectionType":"division","heading":"Piper PA-34 (Seneca) Series Aeroplanes","content":"### Piper PA-34 (Seneca) Series Aeroplanes\n\n| AD/PA-34/11 | Wing Skin/Rib - Inspection and Modification | 11/2008 |\n| ----------- | ------------------------------------------- | ------- |\n\n| Requirement: | CANCELLED.                                                                                                                                                                                                                             |\n| ------------ | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n|              | This AD is cancelled on 23 October 2008.                                                                                                                                                                                               |\n| Background:  | This unique Australian AD specified inspection and modification of the wing skin and ribs in accordance with Piper SL No. 664. Compliance was required within 100 hours time in service after June 1974. The AD is no longer required. |\n\n![](image.001.png)\n\nDavid Villiers  \nDelegate of the Civil Aviation Safety Authority\n\n9 September 2008","sortOrder":0},{"sectionNumber":"AD/PA-34/11","sectionType":"part","heading":"AD/PA-34/11","content":"## AD/PA-34/11","sortOrder":1},{"sectionNumber":"Wing Skin/Rib - Inspection and Modificat","sectionType":"part","heading":"Wing Skin/Rib - Inspection and Modification","content":"## Wing Skin/Rib - Inspection and Modification","sortOrder":2},{"sectionNumber":"11/2008","sectionType":"part","heading":"11/2008","content":"## 11/2008","sortOrder":3}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1764},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"This instrument performs exactly its stated function of cancelling a previous Airworthiness Directive. The scope has not expanded beyond the original intent; rather, it terminates the regulatory requirement entirely as of the specified date."},"complexity_factors":["Single operative provision (cancellation)","No defined terms or interpretation section","No conditional logic, cross-references, or exceptions","Brief administrative notice format"],"plain_english_summary":"**What this does:** This document officially cancels an old aircraft safety rule (called an Airworthiness Directive or AD).\n\n**Who it affects:** Owners and operators of Piper PA-34 Seneca series aircraft.\n\n**What it means:** Previously, these aircraft were legally required to have their wing skins and ribs inspected and modified according to a specific manufacturer service letter (Piper SL No. 664) within 100 hours of flying time after June 1974.\n\n**Why it matters:** As of 23 October 2008, this inspection and modification requirement no longer applies. Owners of these planes no longer need to perform these specific safety checks or modifications to comply with Australian aviation law."}},"importantCases":[],"_links":{"self":"/api/acts/ad-pa-34-11-wing-skin-rib-inspection-and-modification-cancelled","history":"/api/acts/ad-pa-34-11-wing-skin-rib-inspection-and-modification-cancelled/history","analysis":"/api/acts/ad-pa-34-11-wing-skin-rib-inspection-and-modification-cancelled/analysis","conflicts":"/api/acts/ad-pa-34-11-wing-skin-rib-inspection-and-modification-cancelled/conflicts","importantCases":"/api/acts/ad-pa-34-11-wing-skin-rib-inspection-and-modification-cancelled/important-cases","documents":"/api/acts/ad-pa-34-11-wing-skin-rib-inspection-and-modification-cancelled/documents"}}