{"id":"F2008L02465","name":"AD/PA-31/99 Amdt 1 - Elevator Control Tube - CANCELLED","slug":"ad-pa-31-99-amdt-1-elevator-control-tube-cancelled","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":74409,"registerId":"commonwealth-F2008L02465-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Piper PA-31 Series Aeroplanes","sectionType":"division","heading":"Piper PA-31 Series Aeroplanes","content":"### Piper PA-31 Series Aeroplanes\n\n| AD/PA-31/99 Amdt 1 | Elevator Control Tube | 8/2008 |\n| ------------------ | --------------------- | ------ |\n\n| Requirement: | CANCELLED.                                                                                                                                                                                                                                                |\n| ------------ | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n|              | This AD is cancelled on 31 July 2008.                                                                                                                                                                                                                     |\n| Background:  | This unique Australian AD required once-only inspection of the elevator control tube in accordance with Piper SB No. 715A. The AD required modification within 100 hours TIS after July 1983, so all affected aircraft would have been modified long ago. |\n\n![](image.001.png)\n\nDavid Villiers  \nDelegate of the Civil Aviation Safety Authority\n\n17 June 2008","sortOrder":0},{"sectionNumber":"AD/PA-31/99 Amdt 1","sectionType":"part","heading":"AD/PA-31/99 Amdt 1","content":"## AD/PA-31/99 Amdt 1","sortOrder":1},{"sectionNumber":"Elevator Control Tube","sectionType":"part","heading":"Elevator Control Tube","content":"## Elevator Control Tube","sortOrder":2},{"sectionNumber":"8/2008","sectionType":"part","heading":"8/2008","content":"## 8/2008","sortOrder":3}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":2238},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":true,"description":"The original Airworthiness Directive imposed mandatory inspection and modification obligations on aircraft owners. This amendment completely removes those requirements, shifting the scope from active regulation to total cancellation of the directive."},"complexity_factors":["Single operative provision ('CANCELLED')","No defined terms or interpretation section","No cross-references to other legislative provisions within the operative text","Straightforward administrative revocation with no exceptions or conditions"],"plain_english_summary":"**What this is:** This document officially cancels an old aviation safety rule (called an Airworthiness Directive or AD) that applied to **Piper PA-31 series aircraft**.\n\n**What it means:**\n*   The previous rule (AD/PA-31/99) required owners to inspect and modify the **elevator control tube** (a part of the plane's steering mechanism) according to a specific Piper service bulletin (SB 715A).\n*   That work had to be done within 100 hours of flying time after July 1983.\n*   Because that deadline passed more than 25 years ago, the Civil Aviation Safety Authority (CASA) assumes all affected planes have long since been fixed.\n*   **As of 31 July 2008, this rule is dead.** Owners of these aircraft no longer need to comply with this specific directive (though other maintenance rules still apply)."}},"importantCases":[],"_links":{"self":"/api/acts/ad-pa-31-99-amdt-1-elevator-control-tube-cancelled","history":"/api/acts/ad-pa-31-99-amdt-1-elevator-control-tube-cancelled/history","analysis":"/api/acts/ad-pa-31-99-amdt-1-elevator-control-tube-cancelled/analysis","conflicts":"/api/acts/ad-pa-31-99-amdt-1-elevator-control-tube-cancelled/conflicts","importantCases":"/api/acts/ad-pa-31-99-amdt-1-elevator-control-tube-cancelled/important-cases","documents":"/api/acts/ad-pa-31-99-amdt-1-elevator-control-tube-cancelled/documents"}}