{"id":"F2006B05220","name":"AD/CESSNA 206/15 - Right Hand Wing Rear Spar","slug":"ad-cessna-206-15-right-hand-wing-rear-spar","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":45477,"registerId":"commonwealth-F2006B05220-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/CESSNA 206/15 - Right Hand Wing Rear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 206 Series Aeroplanes\n\n \n\nAD/CESSNA 206/15 Right Hand Wing Rear Spar 10/73\n\nApplicability: All models with S/Nos. P206-0486 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","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1455},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"The directive maintains its original narrow scope: a targeted safety intervention addressing a specific structural defect (right-hand wing rear spar) in a defined subset of Cessna 206 aircraft. No expansion into unrelated systems or broader aircraft categories."},"complexity_factors":["Very short, single-subject directive","Single external reference to manufacturer service letter (SL SE73-19) without reproducing technical steps","Clear applicability threshold (one serial number cutoff)","Simple compliance calculation (100 hours time-in-service from fixed date)"],"plain_english_summary":"**What it does:** This order requires owners and operators of certain Cessna 206 aircraft to inspect or repair the **right-hand wing rear spar** — a vital structural beam that supports the wing.\n\n**Who it affects:** All Cessna 206 model aircraft with serial numbers **P206-0486 and later**.\n\n**What action is required:** Follow the instructions in **Cessna Service Letter SE73-19** (a technical bulletin issued by the manufacturer).\n\n**Deadline:** Complete the work within **100 hours of flight time** (counted from when the aircraft is airborne) after 31 October 1973.\n\n**Why it matters:** The rear spar is critical to wing integrity. This directive prevents potential structural failure that could lead to loss of the aircraft."}},"importantCases":[],"_links":{"self":"/api/acts/ad-cessna-206-15-right-hand-wing-rear-spar","history":"/api/acts/ad-cessna-206-15-right-hand-wing-rear-spar/history","analysis":"/api/acts/ad-cessna-206-15-right-hand-wing-rear-spar/analysis","conflicts":"/api/acts/ad-cessna-206-15-right-hand-wing-rear-spar/conflicts","importantCases":"/api/acts/ad-cessna-206-15-right-hand-wing-rear-spar/important-cases","documents":"/api/acts/ad-cessna-206-15-right-hand-wing-rear-spar/documents"}}