{"id":"F2006L02198","name":"AD/CESSNA 180/31 Amdt 5 - Aft Tailcone Assembly","slug":"ad-cessna-180-31-amdt-5-aft-tailcone-assembly","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":117527,"registerId":"commonwealth-F2006L02198-current","compilationNumber":null,"startDate":"2026-04-03","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Cessna 180, 182 and Wren 460 Series Aero","sectionType":"division","heading":"Cessna 180, 182 and Wren 460 Series Aeroplanes","content":"### Cessna 180, 182 and Wren 460 Series Aeroplanes\n\n| AD/CESSNA 180/31 Amdt 5 | Aft Tailcone Assembly | 8/2006 |\n| ----------------------- | --------------------- | ------ |\n\n| Applicability: | All 182 and Wren 460 Series Serial Nos 18253599 to 18261528.                                                                                                                                                                                                   |\n| -------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n| Requirement:   | Action in accordance with Cessna SL SE72-29. However, a CASA approved repair of the forward tailcone bulkhead is acceptable as an alternative to replacement.Also, repair of all bolt holes in accordance with FAA AD 72-07-09 amendment39-1423 is acceptable. |\n| Compliance:    | As detailed in the Requirement Document.Note: Inspections carried out in accordance with the previous issues of this Directive may be taken as meeting the requirement of Cessna SL SE72-3.                                                                    |\n|                | This Amendment becomes effective on 3 August 2006.                                                                                                                                                                                                             |\n| Background:    | Amendment 5 is issued to permit repair rather than replacement of the forward tailcone bulkhead (which is no longer available as a spare part) and to permit FAA approved repair of attachment boltholes.                                                      |\n\n![](image.001.png)  \nDavid Villiers  \nDelegate of the Civil Aviation Safety Authority\n\n23 June 2006","sortOrder":0},{"sectionNumber":"AD/CESSNA 180/31 Amdt 5","sectionType":"part","heading":"AD/CESSNA 180/31 Amdt 5","content":"## AD/CESSNA 180/31 Amdt 5","sortOrder":1},{"sectionNumber":"Aft Tailcone Assembly","sectionType":"part","heading":"Aft Tailcone Assembly","content":"## Aft Tailcone Assembly","sortOrder":2},{"sectionNumber":"8/2006","sectionType":"part","heading":"8/2006","content":"## 8/2006","sortOrder":3}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This amendment maintains the original scope (Cessna 182 and Wren 460 series tailcone inspection/repair). It merely adds flexibility to the compliance methods by permitting repairs where previously replacement may have been required. The core safety objective and affected aircraft population remain unchanged."},"complexity_factors":["Very short document (under 300 words)","Only 1 defined applicability criterion (serial number range)","Simple conditional structure: do X, or alternatively do Y or Z","No nested definitions or cross-references to other legislation beyond the cited service letter and FAA AD","Single amendment purpose clearly stated in Background section"],"plain_english_summary":"This Airworthiness Directive requires operators of certain Cessna 182 and Wren 460 series aeroplanes (specific serials) to inspect and repair the aft tailcone assembly per Cessna Service Letter SE72-29. Because the original forward tailcone bulkhead is no longer available, the amended AD allows CASA‑approved repairs (or FAA‑approved bolt‑hole repairs under AD 72‑07‑09) to ensure structural safety while easing compliance and cost."},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":true,"description":"Amendment 5 widens acceptable compliance methods by permitting CASA‑approved repair of the forward tailcone bulkhead and FAA‑approved bolthole repairs where replacement was previously required; this alters the practical scope of remedial options because the bulkhead spare is no longer available (Requirement; Background)."},"complexity_factors":["Narrow applicability limited to specific serial numbers (Applicability)","Relies on an external service document for the required work (Cessna SL SE72-29) (Requirement)","Permits alternative repairs subject to CASA or FAA approval rather than mandating replacement (Requirement; Background)","Exists because the replacement part is unavailable, creating a procedural change rather than a design change (Background)","Compliance cross-references prior inspections and accepts them as satisfying the new requirement (Compliance)","Execution requires specialised maintenance skills and authorised repair approval, imposing operational and cost burden on owners/operators (Requirement)"],"plain_english_summary":"This airworthiness directive requires operators of specified Cessna 182 and Wren 460 serial numbers (18253599–18261528) to carry out the aft tailcone work in accordance with Cessna Service Letter SE72-29; it allows a CASA‑approved repair of the forward tailcone bulkhead instead of replacement and accepts FAA‑approved repair of attachment boltholes (Requirement). Owners/operators pay for inspections and repairs, must follow the Requirement document for compliance, and may rely on prior inspections meeting SE72-3; the change is issued because the spare bulkhead is no longer available (Background)."},"flash_summary_failed":{"failed":true,"reason":"Unauthenticated. Configure AI_GATEWAY_API_KEY or use a provider module. Learn more: https://ai-sdk.dev/unauthenticated-ai-gateway","source":"analysis-cron"}},"importantCases":[],"_links":{"self":"/api/acts/ad-cessna-180-31-amdt-5-aft-tailcone-assembly","history":"/api/acts/ad-cessna-180-31-amdt-5-aft-tailcone-assembly/history","analysis":"/api/acts/ad-cessna-180-31-amdt-5-aft-tailcone-assembly/analysis","conflicts":"/api/acts/ad-cessna-180-31-amdt-5-aft-tailcone-assembly/conflicts","importantCases":"/api/acts/ad-cessna-180-31-amdt-5-aft-tailcone-assembly/important-cases","documents":"/api/acts/ad-cessna-180-31-amdt-5-aft-tailcone-assembly/documents"}}