{"id":"F2008L01889","name":"AD/PA-28/74 - Fuel and Vapour Return Lines - Modification - CANCELLED","slug":"ad-pa-28-74-fuel-and-vapour-return-lines-modification-cancelled","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":74117,"registerId":"commonwealth-F2008L01889-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Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Piper PA-28 Series Aeroplanes","sectionType":"division","heading":"Piper PA-28 Series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-28/74 | Fuel and Vapour Return Lines - 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 fuel and vapour return lines in accordance with Piper SB No. 625. The AD required compliance within 100 hours time in service after January 1979. 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-28/74","sectionType":"part","heading":"AD/PA-28/74","content":"## AD/PA-28/74","sortOrder":1},{"sectionNumber":"Fuel and Vapour Return Lines - Modificat","sectionType":"part","heading":"Fuel and Vapour Return Lines - Modification","content":"## Fuel and Vapour Return Lines - 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":1457},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"This document does not expand the scope of the original legislation; it terminates the Airworthiness Directive because its purpose has been fulfilled (all affected aircraft have been modified)."},"complexity_factors":["Single operative provision (cancellation statement)","No defined terms section","No conditional logic, exceptions, or nested provisions","Minimal cross-referencing (only historical reference to Piper Service Bulletin No. 625 for context)"],"plain_english_summary":"**What this was:** This was a safety rule (called an Airworthiness Directive or AD) for owners of Piper PA-28 series aircraft. It required a one-time mechanical modification to the fuel and vapour return lines to prevent potential safety hazards.\n\n**Who it affected:** Owners and operators of Piper PA-28 series aeroplanes.\n\n**What had to be done:** Aircraft owners had to modify their fuel systems according to Piper Service Bulletin No. 625 within 100 hours of flying time after January 1979.\n\n**Why it matters now:** This rule has been **cancelled** (as of 3 July 2008) because all affected aircraft have already been modified. The document simply records that this safety requirement is no longer active and can be disregarded."}},"importantCases":[],"_links":{"self":"/api/acts/ad-pa-28-74-fuel-and-vapour-return-lines-modification-cancelled","history":"/api/acts/ad-pa-28-74-fuel-and-vapour-return-lines-modification-cancelled/history","analysis":"/api/acts/ad-pa-28-74-fuel-and-vapour-return-lines-modification-cancelled/analysis","conflicts":"/api/acts/ad-pa-28-74-fuel-and-vapour-return-lines-modification-cancelled/conflicts","importantCases":"/api/acts/ad-pa-28-74-fuel-and-vapour-return-lines-modification-cancelled/important-cases","documents":"/api/acts/ad-pa-28-74-fuel-and-vapour-return-lines-modification-cancelled/documents"}}