{"id":"F2009L00464","name":"AD/PA-36/16 - Control Rod End Bearings - Replacement - CANCELLED","slug":"ad-pa-36-16-control-rod-end-bearings-replacement-cancelled","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":77014,"registerId":"commonwealth-F2009L00464-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Piper PA-36 (Pawnee Brave) Series Aeropl","sectionType":"division","heading":"Piper PA-36 (Pawnee Brave) Series Aeroplanes","content":"### Piper PA-36 (Pawnee Brave) Series Aeroplanes\n\n| AD/PA-36/16 | Control Rod End Bearings - Replacement | 3/2009 |\n| ----------- | -------------------------------------- | ------ |\n\n| Requirement: | CANCELLED.                                                                                                                                                                                                                               |\n| ------------ | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n|              | This AD is cancelled on 12 March 2009.                                                                                                                                                                                                   |\n| Background:  | This unique Australian AD specified once-only replacement of control rod end bearings in engine and flight controls in accordance with Piper SB No. 516 within 100 hours time in service after April 1977. The AD is no longer required. |\n\n![](image.001.png)\n\nDavid Punshon  \nDelegate of the Civil Aviation Safety Authority\n\n8 January 2009","sortOrder":0},{"sectionNumber":"AD/PA-36/16","sectionType":"part","heading":"AD/PA-36/16","content":"## AD/PA-36/16","sortOrder":1},{"sectionNumber":"Control Rod End Bearings - Replacement","sectionType":"part","heading":"Control Rod End Bearings - Replacement","content":"## Control Rod End Bearings - Replacement","sortOrder":2},{"sectionNumber":"3/2009","sectionType":"part","heading":"3/2009","content":"## 3/2009","sortOrder":3}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1159},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"This instrument performs exactly one function: revoking the previous AD. The scope is strictly limited to cancellation and has not expanded beyond this specific purpose."},"complexity_factors":["Single operative provision (cancellation)","No conditional logic, exceptions, or cross-references","No defined terms or interpretative provisions","Historical background only - no active compliance requirements remain"],"plain_english_summary":"**What this document does:** This officially cancels a previous safety rule (Airworthiness Directive AD/PA-36/16) that applied to Piper PA-36 (Pawnee Brave) aircraft.\n\n**What the old rule required:** The original directive (issued in 1977) required owners to replace worn control rod end bearings in the engine and flight controls within 100 hours of flying time, following specific manufacturer instructions (Piper Service Bulletin No. 516).\n\n**Why it's cancelled:** As of 12 March 2009, this safety requirement is no longer necessary. After 32 years, the bearings have presumably been replaced on all affected aircraft, making the rule redundant.\n\n**Who this affects:** Owners and operators of Piper PA-36 agricultural aircraft. This removes a compliance burden rather than imposing a new one."}},"importantCases":[],"_links":{"self":"/api/acts/ad-pa-36-16-control-rod-end-bearings-replacement-cancelled","history":"/api/acts/ad-pa-36-16-control-rod-end-bearings-replacement-cancelled/history","analysis":"/api/acts/ad-pa-36-16-control-rod-end-bearings-replacement-cancelled/analysis","conflicts":"/api/acts/ad-pa-36-16-control-rod-end-bearings-replacement-cancelled/conflicts","importantCases":"/api/acts/ad-pa-36-16-control-rod-end-bearings-replacement-cancelled/important-cases","documents":"/api/acts/ad-pa-36-16-control-rod-end-bearings-replacement-cancelled/documents"}}