{"id":"F2008L04431","name":"AD/PA-44/10 Amdt 1 - Engine Mount Frame Cracking - CANCELLED","slug":"ad-pa-44-10-amdt-1-engine-mount-frame-cracking-cancelled","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":76426,"registerId":"commonwealth-F2008L04431-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Piper PA-44 (Seminole) Series Aeroplanes","sectionType":"division","heading":"Piper PA-44 (Seminole) Series Aeroplanes","content":"### Piper PA-44 (Seminole) Series Aeroplanes\n\n| AD/PA-44/10 Amdt 1 | Engine Mount Frame Cracking | 13/2008 |\n| ------------------ | --------------------------- | ------- |\n\n| Requirement: | CANCELLED.                                                                                                                                                                                                                                                                                |\n| ------------ | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n|              | This AD is cancelled on 18 December 2008.                                                                                                                                                                                                                                                 |\n| Background:  | This unique Australian AD specified periodic inspection of engine mounts until reinforcement by welding in accordance with Piper SB No. 719. Inspection was required at intervals not exceeding 100 hours time in service. Using an AD to mandate this inspection is no longer warranted. |\n\n![](image.001.png)\n\nDavid Villiers  \nDelegate of the Civil Aviation Safety Authority\n\n5 November 2008","sortOrder":0},{"sectionNumber":"AD/PA-44/10 Amdt 1","sectionType":"part","heading":"AD/PA-44/10 Amdt 1","content":"## AD/PA-44/10 Amdt 1","sortOrder":1},{"sectionNumber":"Engine Mount Frame Cracking","sectionType":"part","heading":"Engine Mount Frame Cracking","content":"## Engine Mount Frame Cracking","sortOrder":2},{"sectionNumber":"13/2008","sectionType":"part","heading":"13/2008","content":"## 13/2008","sortOrder":3}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1976},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"This instrument solely cancels a previous Airworthiness Directive. It does not expand the regulatory scope; it eliminates the previous requirement entirely, which aligns precisely with its stated purpose."},"complexity_factors":["Single operative provision (cancellation only)","No defined terms or interpretation section","No conditional logic, exceptions, or cross-references to other legislation","Substantive content is under 100 words"],"plain_english_summary":"**What this does:** This document cancels a previous safety rule (called an Airworthiness Directive) that applied to Piper PA-44 Seminole aircraft.\n\n**Who it affects:** Owners and operators of these specific twin-engine training aeroplanes.\n\n**What changed:** Previously, operators had to inspect the engine mount frames every 100 hours of flight time until specific welding reinforcements were carried out. As of 18 December 2008, that requirement is completely removed.\n\n**Why it matters:** Operators no longer need to perform these specific inspections or track compliance hours for this rule. The Civil Aviation Safety Authority determined that mandating this inspection through a formal directive was no longer necessary."}},"importantCases":[],"_links":{"self":"/api/acts/ad-pa-44-10-amdt-1-engine-mount-frame-cracking-cancelled","history":"/api/acts/ad-pa-44-10-amdt-1-engine-mount-frame-cracking-cancelled/history","analysis":"/api/acts/ad-pa-44-10-amdt-1-engine-mount-frame-cracking-cancelled/analysis","conflicts":"/api/acts/ad-pa-44-10-amdt-1-engine-mount-frame-cracking-cancelled/conflicts","importantCases":"/api/acts/ad-pa-44-10-amdt-1-engine-mount-frame-cracking-cancelled/important-cases","documents":"/api/acts/ad-pa-44-10-amdt-1-engine-mount-frame-cracking-cancelled/documents"}}