{"id":"F2008L01883","name":"AD/PA-28/67 - Electric Pitch Trim Switch - Modification - CANCELLED","slug":"ad-pa-28-67-electric-pitch-trim-switch-modification-cancelled","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":74109,"registerId":"commonwealth-F2008L01883-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Piper PA-28 Series Aeroplanes","sectionType":"division","heading":"Piper PA-28 Series Aeroplanes","content":"### Piper PA-28 Series Aeroplanes\n\n| AD/PA-28/67 | Electric Pitch Trim Switch - Modification | 7/2008 |\n| ----------- | ----------------------------------------- | ------ |\n\n| Requirement: | CANCELLED.                                                                                                                                                                                                                                                                             |\n| ------------ | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n|              | This AD is cancelled on 3 July 2008.                                                                                                                                                                                                                                                   |\n| Background:  | This unique Australian AD required once-only modification of the pitch trim switch in accordance with Piper SB No. 556. The AD required compliance within 100 hours time in service after October 1977. As all affected aircraft have now been modified this AD is no longer required. |\n\n![](image.001.png)\n\nJames Coyne  \nDelegate of the Civil Aviation Safety Authority\n\n22 May 2008","sortOrder":0},{"sectionNumber":"AD/PA-28/67","sectionType":"part","heading":"AD/PA-28/67","content":"## AD/PA-28/67","sortOrder":1},{"sectionNumber":"Electric Pitch Trim Switch - Modificatio","sectionType":"part","heading":"Electric Pitch Trim Switch - Modification","content":"## Electric Pitch Trim Switch - Modification","sortOrder":2},{"sectionNumber":"7/2008","sectionType":"part","heading":"7/2008","content":"## 7/2008","sortOrder":3}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1707},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"This instrument performs exactly as intended: it removes a superseded airworthiness requirement. The cancellation aligns with the original purpose of the directive system by ensuring only current, necessary safety rules remain in force."},"complexity_factors":["Single operative provision (cancellation)","No defined terms or interpretation section","No conditional logic or exceptions","Only historical background and explanatory text remain","Cross-reference limited to the cancelled AD and a manufacturer bulletin"],"plain_english_summary":"This document formally cancels a previous safety rule (Airworthiness Directive AD/PA-28/67) that required owners of Piper PA-28 aircraft to modify their electric pitch trim switches. The original rule mandated a one-time fix according to the manufacturer's Service Bulletin No. 556, to be completed within 100 flight hours after October 1977. Because every affected aircraft has already been modified, the rule is now obsolete and has been removed from force."}},"importantCases":[],"_links":{"self":"/api/acts/ad-pa-28-67-electric-pitch-trim-switch-modification-cancelled","history":"/api/acts/ad-pa-28-67-electric-pitch-trim-switch-modification-cancelled/history","analysis":"/api/acts/ad-pa-28-67-electric-pitch-trim-switch-modification-cancelled/analysis","conflicts":"/api/acts/ad-pa-28-67-electric-pitch-trim-switch-modification-cancelled/conflicts","importantCases":"/api/acts/ad-pa-28-67-electric-pitch-trim-switch-modification-cancelled/important-cases","documents":"/api/acts/ad-pa-28-67-electric-pitch-trim-switch-modification-cancelled/documents"}}