{"id":"F2006B10815","name":"AD/INST/14 - SEP 6 Automatic Pilot Pitch Computer Clutch Circuit - Modification","slug":"ad-inst-14-sep-6-automatic-pilot-pitch-computer-clutch-circuit-modification","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":56293,"registerId":"commonwealth-F2006B10815-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/INST/14 - SEP 6 Automatic Pilot Pitch Computer Clutch Circuit - Modification","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 - 107 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\n \n\n![](image.001.png)  Instruments and Automatic Pilots\n\n \n\nAD/INST/14 SEP 6 Automatic Pilot Pitch Computer\n\nClutch Circuit - Modification\n\nApplicability: SEP 6 pitch computer 524SUE4. Document:  Smiths SB 22-780.\n\nCompliance: Within 3000 hours time in service after 30 April 1975.\n\n\n2/75\n","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1573},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"The directive maintains its original narrow scope, targeting only the specific clutch circuit modification for the identified autopilot component."},"complexity_factors":["Extremely narrow applicability (single specific part model: SEP 6 pitch computer 524SUE4)","No defined terms or interpretation section","References external technical document (Smiths SB 22-780) without reproducing it","Single compliance condition with clear metric (flight hours)","Total text under 75 words"],"plain_english_summary":"This Airworthiness Directive (a mandatory safety order) requires a specific repair to aircraft autopilot systems.\n\n**Who it affects:**\nAircraft operators using the SEP 6 pitch computer (model 524SUE4) in their automatic pilot systems.\n\n**What you must do:**\nModify the clutch circuit in the pitch computer according to the manufacturer's instructions (Smiths Service Bulletin 22-780).\n\n**When:**\nWithin 3,000 flight hours after 30 April 1975.\n\n**Why it matters:**\nTo prevent potential failures in the autopilot system and maintain flight safety."}},"importantCases":[],"_links":{"self":"/api/acts/ad-inst-14-sep-6-automatic-pilot-pitch-computer-clutch-circuit-modification","history":"/api/acts/ad-inst-14-sep-6-automatic-pilot-pitch-computer-clutch-circuit-modification/history","analysis":"/api/acts/ad-inst-14-sep-6-automatic-pilot-pitch-computer-clutch-circuit-modification/analysis","conflicts":"/api/acts/ad-inst-14-sep-6-automatic-pilot-pitch-computer-clutch-circuit-modification/conflicts","importantCases":"/api/acts/ad-inst-14-sep-6-automatic-pilot-pitch-computer-clutch-circuit-modification/important-cases","documents":"/api/acts/ad-inst-14-sep-6-automatic-pilot-pitch-computer-clutch-circuit-modification/documents"}}