{"id":"F2006B06644","name":"AD/ROCK-114/11 - Rudder Rib Inspection","slug":"ad-rock-114-11-rudder-rib-inspection","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":48558,"registerId":"commonwealth-F2006B06644-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/ROCK-114/11 - Rudder Rib Inspection","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)  Gulfstream (Rockwell) 114 Series Aeroplanes\n\n \n\nAD/ROCK-114/11 Rudder Rib Inspection 2/82\n\nApplicability: All model 114 with S/Nos. 14000 to 14500. Document:  Gulfstream American SB No. SB 114-20.\n\nCompliance: Unless already accomplished within the last 100 hours time in service inspect in accordance with Part 1 before further flight and thereafter at intervals not exceeding 100 hours time in service until Part II is accomplished.\n\n \n\nBackground:  In service reports of cracks in rudder tip rib at balance weight attachment hole have been received by the manufacturer.\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\n \n","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":2524},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This airworthiness directive maintains a tightly focused scope addressing a specific identified safety defect (cracking in rudder tip ribs) in a defined aircraft population. No evidence of scope expansion beyond the original safety-critical inspection mandate."},"complexity_factors":["Conditional initial compliance trigger ('Unless already accomplished within the last 100 hours...')","Recurring obligation with strict time interval (every 100 hours 'time in service')","Reference to external technical standard (Service Bulletin SB 114-20) without reproducing its contents","Indeterminate end date contingent on unspecified 'Part II' requirements","Narrow applicability limited to specific serial number range (14000-14500)"],"plain_english_summary":"Owners/operators of Gulfstream/Rockwell Model 114 aircraft (serials 14000–14500) must inspect the rudder tip rib around the balance-weight attachment hole for cracks, following Gulfstream American Service Bulletin SB 114‑20.  \n\nIf not inspected within the last 100 flight hours, inspect before next flight and repeat every 100 hours until the required Part II repair/modification is done—cracks could weaken the rudder and risk loss of control."}},"importantCases":[],"_links":{"self":"/api/acts/ad-rock-114-11-rudder-rib-inspection","history":"/api/acts/ad-rock-114-11-rudder-rib-inspection/history","analysis":"/api/acts/ad-rock-114-11-rudder-rib-inspection/analysis","conflicts":"/api/acts/ad-rock-114-11-rudder-rib-inspection/conflicts","importantCases":"/api/acts/ad-rock-114-11-rudder-rib-inspection/important-cases","documents":"/api/acts/ad-rock-114-11-rudder-rib-inspection/documents"}}