{"id":"F2006B02132","name":"AD/AC/72 - Main Cabin Door Bayonet Rigging - Inspection","slug":"ad-ac-72-main-cabin-door-bayonet-rigging-inspection","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":41362,"registerId":"commonwealth-F2006B02132-current","compilationNumber":null,"startDate":"2026-04-01","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/AC/72 - Main Cabin Door Bayonet Rigging - Inspection","content":"---\nmeta-content-style-type: text/css\nmeta-content-type: application/xhtml+xml; charset=utf-8\nmeta-description: CASA Airworthiness Directive\nmeta-generator: Aspose.Words for .NET 22.10.0\nmeta-keywords: Issue 11/1980,Aircraft below 5700 kg,Twin Commander (Gulfstream/Rockwell/ Aerocommander 500, 600 and 700) Series Aeroplanes,Main Cabin Door Bayonet Rigging - Inspection,72\ntitle: Airworthiness Directive - AD/AC/72 - Main Cabin Door Bayonet Rigging - Inspection\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)  Twin Commander (Gulfstream/Rockwell/ Aerocommander 500, 600 and 700) Series Aeroplanes\n\n \n\nAD/AC/72 Main Cabin Door Bayonet Rigging - Inspection 11/80\n\nApplicability: All models 680FL(P), 680T, 680V and 680W with S/Nos. 1261 to 1854; All model 681 with S/Nos. 6001 to 6072;\n\nAll model 685 with S/Nos. 12000 to 12066;\n\n \n\nAll model 690, 690A and 690B with S/Nos. 11001 to 11566; All model 690C with S/Nos. 11600 to 11644; and\n\nAll model 695 with S/Nos. 95000 to 95032.\n\n \n\nDocument: Rockwell International SB No. 176.\n\n \n\nCompliance: Within 25 hours’ time in service after 17 October 1980.\n\n \n\nBackground: The door locking bayonets may have insufficient engagement with the fuselage retaining blocks.\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":1972},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This remains a targeted safety inspection focused specifically on the main cabin door bayonet rigging issue for the identified Twin Commander aircraft models. No expansion beyond the original airworthiness safety concern is evident."},"complexity_factors":["Seven distinct aircraft models with specific serial number ranges requiring cross-checking for applicability","External reference to Rockwell International Service Bulletin No. 176 for actual inspection procedures (not included in directive)","Compliance measured in 'time in service' (flight hours) rather than calendar days"],"plain_english_summary":"This airworthiness directive mandates owners and operators of certain Twin Commander piston aircraft (specific 680/681/685/690/695 models and serial numbers) to inspect the main cabin door locking bayonet pins because they may not fully engage the retaining blocks, risking an in‑flight door opening.\n\nInspections must follow Rockwell International Service Bulletin No. 176 and be completed within 25 flight hours after 17 October 1980."}},"importantCases":[],"_links":{"self":"/api/acts/ad-ac-72-main-cabin-door-bayonet-rigging-inspection","history":"/api/acts/ad-ac-72-main-cabin-door-bayonet-rigging-inspection/history","analysis":"/api/acts/ad-ac-72-main-cabin-door-bayonet-rigging-inspection/analysis","conflicts":"/api/acts/ad-ac-72-main-cabin-door-bayonet-rigging-inspection/conflicts","importantCases":"/api/acts/ad-ac-72-main-cabin-door-bayonet-rigging-inspection/important-cases","documents":"/api/acts/ad-ac-72-main-cabin-door-bayonet-rigging-inspection/documents"}}