{"id":"F2005L00587","name":"AD/BEECH 200/55 Amdt 3 - Fuselage Stringers 5 Through 11","slug":"ad-beech-200-55-amdt-3-fuselage-stringers-5-through-11","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":112831,"registerId":"commonwealth-F2005L00587-current","compilationNumber":null,"startDate":"2026-04-03","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Beechcraft 200 (Super King Air) Series A","sectionType":"division","heading":"Beechcraft 200 (Super King Air) Series Aeroplanes","content":"### Beechcraft 200 (Super King Air) Series Aeroplanes\n\n| AD/BEECH 200/55 Amdt 3 | Fuselage Stringers 5 Through 11 | 4/2005 |\n| ---------------------- | ------------------------------- | ------ |\n\n| Applicability: | All models and serial numbers listed in the Requirement document, except those aircraft in which all stringers 5 through 11 on both left hand and right hand sides of the fuselage have been modified in accordance with the requirement document.                                                                                                                                                                                                                                                                                                                                                                                                      |\n| -------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n| Requirement:   | 1. Inspect unmodified stringer numbers 5 to 11 on the left and right hand sides of the fuselage in accordance with Part I of Raytheon Service Bulletin SB 53-2472 Revision 4.2. Modify all cracked stringers in accordance with Part II of Raytheon Service Bulletin SB 53-2472 Revision 4.Note 1: FAA AD 2005-01-18 Amdt 39-13943 refers.Note 2: Part III of Raytheon Service Bulletin SB 2472 Revision 4 provides instructions for the removal of external doublers so that installation of the internal stringer reinforcement kits per Requirement 2 can be accomplished.                                                                           |\n| Compliance:    | As detailed in the Requirement document.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |\n|                | This Amendment becomes effective on 14 April 2005.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |\n| Background:    | The manufacturer has received and confirmed reports of cracking in stringers 5 to 11 near the rear pressure bulkhead. The cracks could affect residual strength under cabin pressure and fuselage bending loads.Amendment 1 resulted from a review of airframe ADs for the Beech heavy twin engine models. The service bulletin reference was updated to the current revision status, and the requirements were aligned with the service bulletin. The inspection program was on-going for unmodified aircraft but no additional requirements were imposed.Amendment 2 updated the revision status of the referenced service bulletin and added Note 2. |\n\n|     | Amendment 3 is issued to introduce the related new FAA AD to Note 1 of this Directive, with no change to technical content. |\n| --- | --------------------------------------------------------------------------------------------------------------------------- |\n\n![](image.001.png)  \nDavid Villiers  \nDelegate of the Civil Aviation Safety Authority\n\n4 March 2005","sortOrder":0},{"sectionNumber":"AD/BEECH 200/55 Amdt 3","sectionType":"part","heading":"AD/BEECH 200/55 Amdt 3","content":"## AD/BEECH 200/55 Amdt 3","sortOrder":1},{"sectionNumber":"Fuselage Stringers 5 Through 11","sectionType":"part","heading":"Fuselage Stringers 5 Through 11","content":"## Fuselage Stringers 5 Through 11","sortOrder":2},{"sectionNumber":"4/2005","sectionType":"part","heading":"4/2005","content":"## 4/2005","sortOrder":3}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":3,"scope_assessment":{"changed":false,"description":"This Airworthiness Directive maintains its original scope. Amendment 3 is purely administrative — adding a cross-reference to the related FAA AD without altering the technical requirements, affected aircraft, or inspection obligations. The directive continues to address the specific safety issue (fuselage stringer cracking) identified in the original 2005 issue."},"complexity_factors":["Short, single-purpose directive (approximately 300 words of substantive content)","Only 4 defined elements: specific stringer numbers (5–11), specific service bulletin reference (SB 53-2472 Rev 4), specific FAA AD reference, and applicability criteria","Simple conditional logic: applies to all aircraft EXCEPT those already modified per the service bulletin","Clear hierarchical structure: Applicability → Requirement → Compliance → Background","Heavy reliance on external technical document (service bulletin) for actual inspection procedures — the AD itself does not contain the detailed engineering instructions","No nested exceptions or multi-layered conditional provisions","Amendment history is straightforward (3 versions tracking service bulletin updates and cross-references)"],"plain_english_summary":"This CASA Airworthiness Directive requires owners/operators of Beechcraft 200 (Super King Air) aeroplanes — unless already fitted with the specified reinforced stringers — to inspect stringers 5–11 on both sides of the fuselage for cracking and to repair/mod them per the Raytheon service bulletin.  \n\nIt addresses cracking near the rear pressure bulkhead that could compromise structural integrity; the amendment only adds an FAA AD reference."},"flash_summary":{"complexity_score":5,"scope_assessment":{"changed":false,"description":"Amendment 3 only adds a related FAA AD reference to Note 1; the Directive states there is no change to the technical content. Earlier amendments updated service bulletin revision references and added Note 2 but did not expand the inspection/repair scope (Background; Requirement)."},"complexity_factors":["Technical inspection and repair requirements referencing multiple parts of Raytheon Service Bulletin SB 53-2472 (Requirement: Part I, II, III).","Applicability limited to specific models/serial numbers with an exception for already-modified aircraft (Applicability).","Cross-reference to a related FAA Airworthiness Directive added without changing technical content (Requirement Note 1; Background).","Service bulletin revision updates and alignment across amendments require attention to the correct revision status (Background; Requirement).","Operational and cost burden falls on owners/operators for inspections, potential structural modification and removal/installation of doublers or reinforcement kits (Requirement; Compliance).","Ongoing inspection programme noted for unmodified aircraft, implying recurring maintenance and record-keeping (Background).","Effective date and administrative issuance by CASA create mandatory compliance timing (Compliance; signature block)."],"plain_english_summary":"This Directive requires operators of affected Beechcraft 200 (Super King Air) aeroplanes to inspect fuselage stringers 5–11 on both sides for cracking and to modify any cracked stringers in line with the Raytheon service bulletin cited. It applies to listed models and serial numbers except aircraft already modified.\n\nIt affects aircraft owners/operators (who pay for inspections and repairs) and maintenance organisations (who carry out the work). The measure responds to reported cracks near the rear pressure bulkhead and became effective 14 April 2005."},"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-beech-200-55-amdt-3-fuselage-stringers-5-through-11","history":"/api/acts/ad-beech-200-55-amdt-3-fuselage-stringers-5-through-11/history","analysis":"/api/acts/ad-beech-200-55-amdt-3-fuselage-stringers-5-through-11/analysis","conflicts":"/api/acts/ad-beech-200-55-amdt-3-fuselage-stringers-5-through-11/conflicts","importantCases":"/api/acts/ad-beech-200-55-amdt-3-fuselage-stringers-5-through-11/important-cases","documents":"/api/acts/ad-beech-200-55-amdt-3-fuselage-stringers-5-through-11/documents"}}