{"id":"F2008L02630","name":"AD/PA-31/111 - Hydraulic Hose - CANCELLED","slug":"ad-pa-31-111-hydraulic-hose-cancelled","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":74660,"registerId":"commonwealth-F2008L02630-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Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Piper PA-31 Series Aeroplanes","sectionType":"division","heading":"Piper PA-31 Series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-31/111 | Hydraulic Hose | 8/2008 |\n| ------------ | -------------- | ------ |\n\n| Requirement: | CANCELLED.                                                                                                                                                                                                                      |\n| ------------ | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n|              | This AD is cancelled on 31 July 2008.                                                                                                                                                                                           |\n| Background:  | This unique Australian AD required once-only inspection of hydraulic hoses in accordance with Piper SB No. 822. The AD required modification within 25 hours TIS after May 1986. All affected aircraft have now been inspected. |\n\n![](image.001.png)\n\nJames Coyne  \nDelegate of the Civil Aviation Safety Authority\n\n13 June 2008","sortOrder":0},{"sectionNumber":"AD/PA-31/111","sectionType":"part","heading":"AD/PA-31/111","content":"## AD/PA-31/111","sortOrder":1},{"sectionNumber":"Hydraulic Hose","sectionType":"part","heading":"Hydraulic Hose","content":"## Hydraulic Hose","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":1549},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"This instrument performs its sole intended function of cancelling the previous Airworthiness Directive AD/PA-31/111. The scope has not expanded beyond this administrative termination."},"complexity_factors":["Single operative provision (cancellation)","No defined terms or interpretation section","No cross-references to other legislation beyond the cancelled AD","Straightforward administrative purpose with no conditional logic"],"plain_english_summary":"This document officially cancels a previous aviation safety rule (an **Airworthiness Directive**) that applied to **Piper PA-31 series aircraft** (a type of twin-engine plane).\n\nThe original rule required owners to inspect the hydraulic hoses on these aircraft according to manufacturer guidelines (Piper Service Bulletin No. 822) and make necessary modifications within 25 flight hours after May 1986.\n\n**Why it matters:** As of 31 July 2008, you no longer need to comply with this specific inspection if you own or operate one of these aircraft. The Civil Aviation Safety Authority cancelled the rule because all affected planes have now been inspected and the safety issue has been resolved."}},"importantCases":[],"_links":{"self":"/api/acts/ad-pa-31-111-hydraulic-hose-cancelled","history":"/api/acts/ad-pa-31-111-hydraulic-hose-cancelled/history","analysis":"/api/acts/ad-pa-31-111-hydraulic-hose-cancelled/analysis","conflicts":"/api/acts/ad-pa-31-111-hydraulic-hose-cancelled/conflicts","importantCases":"/api/acts/ad-pa-31-111-hydraulic-hose-cancelled/important-cases","documents":"/api/acts/ad-pa-31-111-hydraulic-hose-cancelled/documents"}}