{"id":"F2006B05313","name":"AD/CESSNA 208/6 - Fuel System Roll Pin Security","slug":"ad-cessna-208-6-fuel-system-roll-pin-security","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":45755,"registerId":"commonwealth-F2006B05313-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/CESSNA 208/6 - Fuel System Roll Pin Security","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 208 Series Aeroplanes\n\n \n\nAD/CESSNA 208/6 Fuel System Roll Pin Security 13/89\n\nApplicability: Model 208 and 208A Serial Numbers 20800001 through 20800150.\n\n \n\nModel 208B Serial Numbers 208B0001 through 208B0167.\n\n \n\nRequirement: Action in accordance with Cessna Service Bulletin CAB 89-21. Compliance:  Prior to the issue of the next Maintenance Release after 28 December 1989.\n\nBackground: The lever to shaft roll pins at the wing and firewall fuel shutoff valves and the overhead fuel selectors are required to be safety-wired to ensure security of attachment.\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":1388},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This airworthiness directive maintains its original narrow scope, targeting a specific safety defect (fuel system roll pin security) in defined Cessna aircraft models. There is no evidence of scope creep or expansion beyond the original technical safety mandate."},"complexity_factors":["Limited applicability restricted to specific aircraft serial number ranges","Single mandatory action with clear technical reference to external standard (Cessna Service Bulletin CAB 89-21)","Straightforward compliance deadline tied to maintenance release cycle","No conditional logic, exceptions, or nested definitions"],"plain_english_summary":"This rule requires owners/operators of certain Cessna 208/208A/208B aircraft (specific serial ranges) to secure fuel-system roll pins with aviation locking wire so they cannot fall out, preventing fuel leaks or loss of fuel control.  \n\nWork must be done per Cessna Service Bulletin CAB 89-21 at the three fuel-control linkages and completed before the aircraft’s next Maintenance Release after 28 December 1989."}},"importantCases":[],"_links":{"self":"/api/acts/ad-cessna-208-6-fuel-system-roll-pin-security","history":"/api/acts/ad-cessna-208-6-fuel-system-roll-pin-security/history","analysis":"/api/acts/ad-cessna-208-6-fuel-system-roll-pin-security/analysis","conflicts":"/api/acts/ad-cessna-208-6-fuel-system-roll-pin-security/conflicts","importantCases":"/api/acts/ad-cessna-208-6-fuel-system-roll-pin-security/important-cases","documents":"/api/acts/ad-cessna-208-6-fuel-system-roll-pin-security/documents"}}