{"id":"F2006B03709","name":"AD/BEECH 200/57 - MLG Drag Leg Lock Link Roll Pin","slug":"ad-beech-200-57-mlg-drag-leg-lock-link-roll-pin","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":43299,"registerId":"commonwealth-F2006B03709-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/BEECH 200/57 - MLG Drag Leg Lock Link Roll Pin","content":"COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 \\- 105 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\n![](image.001.png)  \nBeechcraft 200 (Super King Air) Series Aeroplanes\n\nAD/BEECH 200/57 MLG Drag Leg Lock Link Roll Pin 6/96\n\nApplicability: Model 200, B200, 200C, and B200C, with serial numbers BB-2, BB-6 through BB- 1157, BB-1159 through BB-1166, BB-1168 through BB-1192, and BL-1 through BL- 72.\n\nRequirement: Inspect the main landing gear drag leg lock link to ensure that the hole for the roll pin is drilled completely through both walls of the link, in accordance with the Accomplishment Instructions section of Beech Service Bulletin 2607, Revision 1.\n\nReplace any drag leg lock link that does not have the roll pin hole drilled through both walls of the link. Accomplish this replacement in accordance with the maintenance manual.\n\nNote: FAA AD 96-03-13 Amdt 39-9510 refers.\n\nCompliance: Within 100 hours time in service after 23 May 1996.\n\nBackground: The FAA received a report of an incident in which a main landing gear collapse had occurred. An investigation revealed that the roll pin hole was not completely drilled through both walls of the drag leg lock link.","sortOrder":0}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a discrete, single-issue airworthiness directive addressing a specific mechanical defect in a specific aircraft type. It has not expanded beyond its original safety purpose."},"complexity_factors":["Single, specific mechanical inspection requirement with clear pass/fail criteria","Only 4 aircraft models and specific serial number ranges affected","Single compliance deadline (100 hours time in service)","No nested exceptions, conditional logic, or alternative compliance methods","References only one external document (Beech Service Bulletin 2607 Rev 1) and one related FAA AD","Total length: approximately 200 words"],"plain_english_summary":"This CASA Airworthiness Directive mandates owners/operators of specified Beechcraft Super King Air 200-series aircraft inspect the main landing gear drag leg lock link to confirm the roll-pin hole fully penetrates both walls, and replace any defective link. Prompted by an FAA-reported landing gear collapse after a pin fell out, the work must follow Beechcraft service instructions and be completed within 100 flight hours to prevent gear collapse and potential crash."},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"Scope remains limited to the named Beechcraft 200-series models and specific serial-number ranges and requires inspection and replacement only where the roll‑pin hole is not drilled through both walls. The instrument does not expand affected aircraft, impose ongoing monitoring, or add other corrective requirements beyond the single inspection and replacement action within the stated compliance period."},"complexity_factors":["Narrow applicability by specific models and serial-number ranges reduces population affected but requires serial tracking.","A single, well-defined technical inspection criterion (roll‑pin hole drilled through both walls) simplifies assessment.","Mandatory replacement where non‑compliant creates binary outcome (inspect → either pass or replace) but may require parts procurement.","Short compliance window (100 hours TIS) imposes scheduling urgency on operators and maintenance providers.","Dependence on external documents: Beech Service Bulletin 2607 Rev 1 and the maintenance manual prescribe the method.","Safety‑critical nature (risk of landing‑gear collapse) increases enforcement and operational priority despite procedural simplicity."],"plain_english_summary":"This airworthiness directive requires operators of specified Beechcraft 200-series aeroplanes to inspect the main landing gear drag‑leg lock link to confirm the roll‑pin hole is drilled through both walls, and to replace any link that does not comply. Compliance is mandatory within 100 hours time‑in‑service after 23 May 1996; the action responds to an FAA report linking an incompletely drilled hole to a landing‑gear collapse. Operators bear inspection and replacement costs; licensed maintenance organisations decide how to carry out the work under the maintenance manual."}},"importantCases":[],"_links":{"self":"/api/acts/ad-beech-200-57-mlg-drag-leg-lock-link-roll-pin","history":"/api/acts/ad-beech-200-57-mlg-drag-leg-lock-link-roll-pin/history","analysis":"/api/acts/ad-beech-200-57-mlg-drag-leg-lock-link-roll-pin/analysis","conflicts":"/api/acts/ad-beech-200-57-mlg-drag-leg-lock-link-roll-pin/conflicts","importantCases":"/api/acts/ad-beech-200-57-mlg-drag-leg-lock-link-roll-pin/important-cases","documents":"/api/acts/ad-beech-200-57-mlg-drag-leg-lock-link-roll-pin/documents"}}