{"id":"F2006B05303","name":"AD/CESSNA 207/8 - Right Hand Wing Rear Spar","slug":"ad-cessna-207-8-right-hand-wing-rear-spar","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":45722,"registerId":"commonwealth-F2006B05303-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/CESSNA 207/8 - Right Hand Wing Rear Spar","content":"---\nmeta-content-style-type: text/css\nmeta-content-type: application/xhtml+xml; charset=utf-8\nmeta-generator: Aspose.Words for .NET 22.10.0\n---\n\n?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"no\"?>\n\nCOMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\n \n\n![](image.001.png)  Cessna 207 Series Aeroplanes\n\n \n\nAD/CESSNA 207/8 Right Hand Wing Rear Spar 10/73\n\nApplicability: All models with S/Nos. 20700001 and subsequent. Requirement:  Action in accordance with Cessna SL SE73-19.\n\nCompliance: Within 100 hours time in service after 31 October 1973.\n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1706},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"This directive remains narrowly focused on its original purpose: addressing a specific structural defect in the right-hand wing rear spar of Cessna 207 aircraft. It has not expanded to cover other aircraft types or unrelated maintenance issues."},"complexity_factors":["Single-page document with no legislative cross-references","Only one applicability criterion (aircraft serial number range)","Single-step compliance requirement with external reference to manufacturer instructions","No exceptions, exemptions, or conditional logic"],"plain_english_summary":"**What this is:** This is a safety directive (called an Airworthiness Directive) issued by the Civil Aviation Safety Authority that mandates urgent maintenance on specific Cessna aircraft.\n\n**What it requires:** Owners and operators of Cessna 207 series aeroplanes must inspect and repair the **right-hand wing rear spar** (a critical structural beam inside the wing) following the specific instructions in Cessna Service Letter SE73-19.\n\n**Who it affects:** Anyone who owns or operates a Cessna 207 aircraft with serial numbers starting from 20700001 and onwards.\n\n**The deadline:** The work had to be completed within 100 hours of flying time after 31 October 1973.\n\n**Why it matters:** This prevents potential structural failure in the wing. If the rear spar cracks or fails during flight, it could cause the wing to break apart, leading to a catastrophic accident."}},"importantCases":[],"_links":{"self":"/api/acts/ad-cessna-207-8-right-hand-wing-rear-spar","history":"/api/acts/ad-cessna-207-8-right-hand-wing-rear-spar/history","analysis":"/api/acts/ad-cessna-207-8-right-hand-wing-rear-spar/analysis","conflicts":"/api/acts/ad-cessna-207-8-right-hand-wing-rear-spar/conflicts","importantCases":"/api/acts/ad-cessna-207-8-right-hand-wing-rear-spar/important-cases","documents":"/api/acts/ad-cessna-207-8-right-hand-wing-rear-spar/documents"}}