{"id":"F2008L02461","name":"AD/PA-31/116 - Main Landing Gear Downlock Cable - CANCELLED","slug":"ad-pa-31-116-main-landing-gear-downlock-cable-cancelled","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":74400,"registerId":"commonwealth-F2008L02461-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Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Piper PA-31 Series Aeroplanes","sectionType":"division","heading":"Piper PA-31 Series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-31/116 | Main Landing Gear Downlock Cable | 8/2008 |\n| ------------ | -------------------------------- | ------ |\n\n| Requirement: | CANCELLED.                                                                                                                                                                                                                                                   |\n| ------------ | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |\n|              | This AD is cancelled on 31 July 2008.                                                                                                                                                                                                                        |\n| Background:  | This unique Australian AD required installation of an improved-design anti-rotation stop in accordance with Piper SB No. 860. The AD required modification within 100 hours TIS after June 1987, 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-31/116","sectionType":"part","heading":"AD/PA-31/116","content":"## AD/PA-31/116","sortOrder":1},{"sectionNumber":"Main Landing Gear Downlock Cable","sectionType":"part","heading":"Main Landing Gear Downlock Cable","content":"## Main Landing Gear Downlock Cable","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":2274},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"This instrument represents a complete revocation rather than a scope change. The original directive's purpose (mandating a safety modification) has not been expanded or altered; instead, the entire instrument is being terminated because its objective was achieved when all affected aircraft were modified by the 1987 deadline."},"complexity_factors":["Single operative provision (cancellation with effective date)","No definitions section or interpreted terms","No cross-references to other legislation (only historical reference to superseded service bulletin)","No conditional logic, exceptions, or procedural steps"],"plain_english_summary":"This cancels a long‑expired airworthiness directive that required installation of an improved anti‑rotation stop on the main landing‑gear downlock cable for Piper PA‑31 series airplanes. \n\nBecause the compliance deadline passed decades ago and affected airplanes would already have been modified, owners need take no action—this is administrative cleanup of obsolete regulation."}},"importantCases":[],"_links":{"self":"/api/acts/ad-pa-31-116-main-landing-gear-downlock-cable-cancelled","history":"/api/acts/ad-pa-31-116-main-landing-gear-downlock-cable-cancelled/history","analysis":"/api/acts/ad-pa-31-116-main-landing-gear-downlock-cable-cancelled/analysis","conflicts":"/api/acts/ad-pa-31-116-main-landing-gear-downlock-cable-cancelled/conflicts","importantCases":"/api/acts/ad-pa-31-116-main-landing-gear-downlock-cable-cancelled/important-cases","documents":"/api/acts/ad-pa-31-116-main-landing-gear-downlock-cable-cancelled/documents"}}