{"id":"F2008L02476","name":"AD/PA-31/70 - Elevator Outboard Hinge Bracket Rivets - Replacement - CANCELLED","slug":"ad-pa-31-70-elevator-outboard-hinge-bracket-rivets-replacement-cancelled","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":74420,"registerId":"commonwealth-F2008L02476-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Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Piper PA-31 Series Aeroplanes","sectionType":"division","heading":"Piper PA-31 Series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-31/70 | Elevator Outboard HingeBracket Rivets - Replacement | 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 replacement of elevator outboard hinge brackets in accordance with Piper SB No. 595. The AD required compliance within 100 hours TIS after July 1978, so all affected aircraft would have been modified long ago. |\n\n![](image.001.png)\n\nDavid Villiers  \nDelegate of the Civil Aviation Safety Authority\n\n17 June 2008","sortOrder":0},{"sectionNumber":"AD/PA-31/70","sectionType":"part","heading":"AD/PA-31/70","content":"## AD/PA-31/70","sortOrder":1},{"sectionNumber":"Elevator Outboard HingeBracket Rivets - ","sectionType":"part","heading":"Elevator Outboard HingeBracket Rivets - Replacement","content":"## Elevator Outboard Hinge  \nBracket Rivets - Replacement","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":1929},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"The instrument terminates the airworthiness directive entirely. The scope has not expanded beyond the original purpose; rather, the regulatory requirement has been eliminated because the compliance deadline passed 30 years prior and all affected aircraft have been modified."},"complexity_factors":["Single operative provision (cancellation)","No substantive requirements or conditions","Minimal text with no defined terms","Background section is purely explanatory with no legal effect"],"plain_english_summary":"This cancels the Airworthiness Directive that required replacing rivets on the elevator outboard hinge brackets of Piper PA‑31 series aircraft per Piper Service Bulletin No. 595. The AD is obsolete because its compliance deadline (July 1978 or within 100 flight hours) long passed, so affected aircraft are expected to have already been modified. Owners are no longer required to follow this AD, though the work should be reflected in maintenance records."}},"importantCases":[],"_links":{"self":"/api/acts/ad-pa-31-70-elevator-outboard-hinge-bracket-rivets-replacement-cancelled","history":"/api/acts/ad-pa-31-70-elevator-outboard-hinge-bracket-rivets-replacement-cancelled/history","analysis":"/api/acts/ad-pa-31-70-elevator-outboard-hinge-bracket-rivets-replacement-cancelled/analysis","conflicts":"/api/acts/ad-pa-31-70-elevator-outboard-hinge-bracket-rivets-replacement-cancelled/conflicts","importantCases":"/api/acts/ad-pa-31-70-elevator-outboard-hinge-bracket-rivets-replacement-cancelled/important-cases","documents":"/api/acts/ad-pa-31-70-elevator-outboard-hinge-bracket-rivets-replacement-cancelled/documents"}}