{"id":"F2006B02192","name":"AD/AC-112/8 Amdt 1 - Aileron Hinge Supports - Inspection and Modification","slug":"ad-ac-112-8-amdt-1-aileron-hinge-supports-inspection-and-modification","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":41422,"registerId":"commonwealth-F2006B02192-current","compilationNumber":null,"startDate":"2026-04-01","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/AC-112/8 Amdt 1 - Aileron Hinge Supports - Inspection and Modification","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)  \nGulfstream (Rockwell) 112 Series Aeroplanes\n\nAD/AC-112/8\n\nAmdt 1\n\n  \n\nAileron Hinge Supports \\- Inspection and Modification\n\n  \n7/78\n\nApplicability: Models 112 and 112B with S/Nos. 13000 and 3 to 544; Model 112TC with S/Nos. 13001 to 13108;\n\nModel 112TCA with S/Nos. 13150 to 13260\\. Document: Rockwell International SB No. SB-112-60A.\n\nCompliance: 1. Unless already accomplished as per SB No. 112-60, initially inspect before further flight as per Part 1 of SB No. 112-60A and perform external visual inspection before each subsequent flight until modified.\n\nNote: Pilot in command may perform and certify for visual inspection.\n\n2. Unless already accomplished as per SB No. 112-60, modify as per Part 2 of SB No. 112-60A within 100 hours’ time in service after 15 August 1978.","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":3604},"content_quality":"ok","complexity_score":3,"scope_assessment":{"changed":true,"description":"As Amendment 1 to AD/AC-112/8, this updates the original directive by superseding the referenced technical standard (updating from Service Bulletin 112-60 to 112-60A) and allowing credit for work already performed under the previous bulletin. While the core safety focus on aileron hinge supports and the affected aircraft population remain consistent, the amendment designation indicates revised technical requirements and compliance pathways."},"complexity_factors":["Applicability restricted to specific aircraft models and precise serial number ranges (four separate cohorts)","Cross-references to external technical documents (Service Bulletins 112-60 and 112-60A) without reproducing their content","Conditional compliance pathways ('unless already accomplished') creating dual tracks for different aircraft histories","Dual-timing requirements: immediate pre-flight inspection versus 100-hour time-in-service modification deadline"],"plain_english_summary":"Owners of Gulfstream (Rockwell) Model 112/112B/112TC/112TCA aircraft (specific S/N range) must inspect aileron hinge supports immediately using the manufacturer's bulletin and, until modified, pilots must perform and sign a preflight visual check before every flight. Within 100 flight hours the permanent modification in the bulletin must be completed (unless already done). The action prevents hinge cracking that could cause loss of roll control."}},"importantCases":[],"_links":{"self":"/api/acts/ad-ac-112-8-amdt-1-aileron-hinge-supports-inspection-and-modification","history":"/api/acts/ad-ac-112-8-amdt-1-aileron-hinge-supports-inspection-and-modification/history","analysis":"/api/acts/ad-ac-112-8-amdt-1-aileron-hinge-supports-inspection-and-modification/analysis","conflicts":"/api/acts/ad-ac-112-8-amdt-1-aileron-hinge-supports-inspection-and-modification/conflicts","importantCases":"/api/acts/ad-ac-112-8-amdt-1-aileron-hinge-supports-inspection-and-modification/important-cases","documents":"/api/acts/ad-ac-112-8-amdt-1-aileron-hinge-supports-inspection-and-modification/documents"}}