{"id":"F2008L03338","name":"AD/PA-32/51 - Fuel Line - Modification - CANCELLED","slug":"ad-pa-32-51-fuel-line-modification-cancelled","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":120205,"registerId":"commonwealth-F2008L03338-current","compilationNumber":null,"startDate":"2026-04-03","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Piper PA-32 (Cherokee Six) Series Aeropl","sectionType":"division","heading":"Piper PA-32 (Cherokee Six) Series Aeroplanes","content":"### Piper PA-32 (Cherokee Six) Series Aeroplanes\n\n| AD/PA-32/51 | Fuel Line - Modification | 10/2008 |\n| ----------- | ------------------------ | ------- |\n\n| Requirement: | CANCELLED.                                                                                                                                                                                                       |\n| ------------ | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n|              | This AD is cancelled on 25 September 2008.                                                                                                                                                                       |\n| Background:  | This unique Australian AD specified modification of the fuel line in accordance with Piper SB No. 557. Compliance was required within 100 hours time in service after August 1977. The AD is no longer required. |\n\n![](image.001.png)\n\nCharles Lenarcic  \nDelegate of the Civil Aviation Safety Authority\n\n15 August 2008","sortOrder":0},{"sectionNumber":"AD/PA-32/51","sectionType":"part","heading":"AD/PA-32/51","content":"## AD/PA-32/51","sortOrder":1},{"sectionNumber":"Fuel Line - Modification","sectionType":"part","heading":"Fuel Line - Modification","content":"## Fuel Line - Modification","sortOrder":2},{"sectionNumber":"10/2008","sectionType":"part","heading":"10/2008","content":"## 10/2008","sortOrder":3}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1703},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"This instrument terminates the legislation entirely rather than expanding its scope. It represents a complete cessation of the regulatory requirement rather than scope creep."},"complexity_factors":["Single operative provision (cancellation)","No defined terms or interpretation section","No conditional logic, exceptions, or cross-references","Extremely short length with only one substantive requirement"],"plain_english_summary":"**What this does**\nThis document officially cancels a previous aviation safety rule (Airworthiness Directive AD/PA-32/51) that required owners of Piper PA-32 Cherokee Six aircraft to modify their fuel lines.\n\n**Who it affects**\nOwners and operators of Piper PA-32 (Cherokee Six) series aeroplanes registered in Australia.\n\n**What it means for you**\nIf you own one of these aircraft, you no longer need to comply with the previous fuel line modification requirement that was originally mandated back in 1977. The safety modification specified in Piper Service Bulletin No. 557 is no longer legally required.\n\n**Background**\nThe original rule required the fuel line modification to be completed within 100 hours of flying time after August 1977. The Civil Aviation Safety Authority (CASA) has now determined this requirement is no longer necessary, effective 25 September 2008."}},"importantCases":[],"_links":{"self":"/api/acts/ad-pa-32-51-fuel-line-modification-cancelled","history":"/api/acts/ad-pa-32-51-fuel-line-modification-cancelled/history","analysis":"/api/acts/ad-pa-32-51-fuel-line-modification-cancelled/analysis","conflicts":"/api/acts/ad-pa-32-51-fuel-line-modification-cancelled/conflicts","importantCases":"/api/acts/ad-pa-32-51-fuel-line-modification-cancelled/important-cases","documents":"/api/acts/ad-pa-32-51-fuel-line-modification-cancelled/documents"}}