{"id":"F2008L02650","name":"AD/PA-31/31 - Submerged Fuel Pumps - Inspection - CANCELLED","slug":"ad-pa-31-31-submerged-fuel-pumps-inspection-cancelled","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":74687,"registerId":"commonwealth-F2008L02650-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Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Piper PA-31 Series Aeroplanes","sectionType":"division","heading":"Piper PA-31 Series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-31/31 | Submerged Fuel Pumps - Inspection | 8/2008 |\n| ----------- | --------------------------------- | ------ |\n\n| Requirement: | CANCELLED.                                                                                                                                                                                                                                                                                         |\n| ------------ | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n|              | This AD is cancelled on 31 July 2008.                                                                                                                                                                                                                                                              |\n| Background:  | This unique Australian AD required periodic inspection of fuel pumps in accordance with Piper SL No. 711. The AD required compliance at intervals not exceeding 100 hours TIS beginning in July 1974. A suitable inspection has now been incorporated in the Service Manuals of affected aircraft. |\n\n![](image.001.png)\n\nJames Coyne  \nDelegate of the Civil Aviation Safety Authority\n\n12 June 2008","sortOrder":0},{"sectionNumber":"AD/PA-31/31","sectionType":"part","heading":"AD/PA-31/31","content":"## AD/PA-31/31","sortOrder":1},{"sectionNumber":"Submerged Fuel Pumps - Inspection","sectionType":"part","heading":"Submerged Fuel Pumps - Inspection","content":"## Submerged Fuel Pumps - Inspection","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":2195},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":true,"description":"This instrument reverses the scope of the original AD/PA-31/31. Where the original directive imposed a mandatory inspection obligation, this version eliminates that requirement entirely because the inspection is now incorporated into aircraft service manuals."},"complexity_factors":["Single operative provision (cancellation with effective date)","No defined terms or interpretation section","No conditional logic, exceptions, or cross-references to other legislation","Background provided is purely historical context"],"plain_english_summary":"This cancels the previous mandatory inspection requirement for submerged fuel pumps on Piper PA‑31 series aircraft (e.g., Navajo, Chieftain). A rule requiring 100‑hour checks is removed because the inspection procedure is now incorporated into the aircraft Service Manuals. Affected owners/operators should follow the Service Manual fuel‑pump inspection procedures; no separate action is required beyond normal maintenance compliance."}},"importantCases":[],"_links":{"self":"/api/acts/ad-pa-31-31-submerged-fuel-pumps-inspection-cancelled","history":"/api/acts/ad-pa-31-31-submerged-fuel-pumps-inspection-cancelled/history","analysis":"/api/acts/ad-pa-31-31-submerged-fuel-pumps-inspection-cancelled/analysis","conflicts":"/api/acts/ad-pa-31-31-submerged-fuel-pumps-inspection-cancelled/conflicts","importantCases":"/api/acts/ad-pa-31-31-submerged-fuel-pumps-inspection-cancelled/important-cases","documents":"/api/acts/ad-pa-31-31-submerged-fuel-pumps-inspection-cancelled/documents"}}