{"id":"F2008L00820","name":"AD/CESSNA 210/23 - Hydraulic Pressure Line/Trim Tab Chain Interference - Inspection - CANCELLED","slug":"ad-cessna-210-23-hydraulic-pressure-line-trim-tab-chain-interference-inspection-cancelled","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":72916,"registerId":"commonwealth-F2008L00820-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Cessna 210 Series Aeroplanes","sectionType":"division","heading":"Cessna 210 Series Aeroplanes","content":"### Cessna 210 Series Aeroplanes\n\n| AD/CESSNA 210/23 | Hydraulic Pressure Line/Trim TabChain Interference - Inspection | 4/2008 |\n| ---------------- | --------------------------------------------------------------- | ------ |\n\n| Requirement: | CANCELLED.                                                                                                                                                                                                                                              |\n| ------------ | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n|              | This AD is cancelled on 10 April 2008.                                                                                                                                                                                                                  |\n| Background:  | This unique Australian AD issued in 1973 required a one off inspection of the emergency hand pump pressure line and the elevator trim tab chain for interference. As all aircraft would have now been inspected, the unsafe condition no longer exists. |\n\n![](image.001.png)\n\nDavid Punshon  \nDelegate of the Civil Aviation Safety Authority\n\n11 February 2008","sortOrder":0},{"sectionNumber":"AD/CESSNA 210/23","sectionType":"part","heading":"AD/CESSNA 210/23","content":"## AD/CESSNA 210/23","sortOrder":1},{"sectionNumber":"Hydraulic Pressure Line/Trim TabChain In","sectionType":"part","heading":"Hydraulic Pressure Line/Trim TabChain Interference - Inspection","content":"## Hydraulic Pressure Line/Trim Tab  \nChain Interference - Inspection","sortOrder":2},{"sectionNumber":"4/2008","sectionType":"part","heading":"4/2008","content":"## 4/2008","sortOrder":3}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1707},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"This instrument performs its sole intended function of cancelling an obsolete airworthiness directive. The scope remains limited to formally revoking AD/CESSNA 210/23 (1973) and removing the associated inspection requirement."},"complexity_factors":["Single operative provision (cancellation)","No defined terms or interpretation section","No cross-references to other legislation","No conditional logic or exceptions"],"plain_english_summary":"**What this does:** This document scraps an old aircraft safety rule that applied to Cessna 210 series aeroplanes.\n\n**The old rule:** Originally issued in 1973, the rule required a one-time inspection to check if the emergency hand pump pressure line was interfering with (rubbing against) the elevator trim tab chain.\n\n**Why it's being cancelled:** Since the inspection was a one-off requirement and all affected aircraft would have completed it by now, the safety risk no longer exists. The cancellation took effect on 10 April 2008.\n\n**Who it affects:** Owners and operators of Cessna 210 aircraft, though in practice this simply removes a compliance obligation that has already been met."}},"importantCases":[],"_links":{"self":"/api/acts/ad-cessna-210-23-hydraulic-pressure-line-trim-tab-chain-interference-inspection-cancelled","history":"/api/acts/ad-cessna-210-23-hydraulic-pressure-line-trim-tab-chain-interference-inspection-cancelled/history","analysis":"/api/acts/ad-cessna-210-23-hydraulic-pressure-line-trim-tab-chain-interference-inspection-cancelled/analysis","conflicts":"/api/acts/ad-cessna-210-23-hydraulic-pressure-line-trim-tab-chain-interference-inspection-cancelled/conflicts","importantCases":"/api/acts/ad-cessna-210-23-hydraulic-pressure-line-trim-tab-chain-interference-inspection-cancelled/important-cases","documents":"/api/acts/ad-cessna-210-23-hydraulic-pressure-line-trim-tab-chain-interference-inspection-cancelled/documents"}}