{"id":"F2006B05352","name":"AD/P68/25 - Aileron Control Chain Connector - Inspection and Modification","slug":"ad-p68-25-aileron-control-chain-connector-inspection-and-modification","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":45879,"registerId":"commonwealth-F2006B05352-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/P68/25 - Aileron Control Chain Connector - Inspection and 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 - 105 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\n \n\n![](image.001.png)  Partenavia P68 Series Aeroplanes\n\n \n\n# AD/P68/25 Aileron Control Chain Connector - Inspection\n\nand Modification\n\nApplicability: All model P68 series up to S/n 335. Requirement: Partenavia P68 S.B. No. 64 Rev. 1.\n\nNote: RAI AD 84-146/P68-32 Refers.\n\n \n\nCompliance: Inspect and modify before further flight after 1 November 1984.\n\n# 12/84 TX\n\n \n\nNote: A one time only inspection to determine the security of the chain connector circlip may be performed to permit return to a maintenance base. This inspection may be accomplished by the pilot in command. Access to the chain can be gained through the fuselage access panels No. 21. The pilot shall make an entry in the maintenance release certifying that the inspection has been accomplished.\n\n \n\nBackground: The manufacturer has received reports of the loss of security of retention of the chain connector safety lock (circlip) P/N 68-5.2017-3.\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":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a discrete, targeted safety directive addressing a specific mechanical defect in a specific aircraft model. It has not expanded beyond its original purpose of mandating inspection and modification of the aileron control chain connector."},"complexity_factors":["Very short document (approximately 200 words)","Only one defined applicability criterion (serial number up to 335)","Single compliance requirement with one explicit exception","No cross-references to other legislation beyond a reference to a Service Bulletin and a related airworthiness directive","Clear, imperative language ('Inspect and modify before further flight')","Minimal conditional logic (only the emergency pilot inspection provision)"],"plain_english_summary":"Owners and operators of Partenavia P68 aircraft (serials up to 335) must inspect and modify the aileron control chain connector because a retaining circlip has been reported coming loose, risking loss of aileron control. Work must be done before further flight after 1 November 1984; as an emergency measure a pilot may perform a one‑time visual check (access via fuselage panel No.21) and note it in the maintenance release to ferry the aircraft to maintenance. Follow Service Bulletin No.64 Rev.1."},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":true,"description":"This AD imposes a mandatory, safety-driven inspection and modification requirement where the document indicates reports of circlip retention loss (Background). It narrows application to P68 aircraft up to S/n 335 and mandates compliance per the manufacturer's Service Bulletin before further flight after 1 November 1984. It also creates a limited procedural exception allowing a pilot to perform a one-time inspection to return the aircraft to a maintenance base, while placing ongoing compliance, modification costs and downtime responsibility on the aircraft owner/operator."},"complexity_factors":["Limited applicability to P68 series up to serial number 335 (Applicability line) reduces scope but requires serial-number verification.","Mandates action 'before further flight after 1 November 1984' (Compliance), creating an immediate operational deadline.","Requires modification per a specific manufacturer Service Bulletin (Partenavia P68 S.B. No. 64 Rev. 1), creating dependency on SB content and availability.","Permits a one-time pilot inspection to return to base (Note), which creates a narrow, non-standard allowance changing who may perform the check and when.","Requires maintenance-release entry by the pilot after that inspection (Note), creating a documentary compliance obligation.","Safety root cause tied to loss of circlip security (Background), but remedial scope is a targeted component action rather than broader structural work."],"plain_english_summary":"This airworthiness directive (AD/P68/25) requires owners/operators of Partenavia P68 aeroplanes (all models up to serial number 335) to inspect and modify the aileron control chain connector circlip in accordance with Partenavia P68 Service Bulletin No. 64 Rev.1 before further flight after 1 November 1984. A one‑time pilot-performed inspection is allowed to permit return to a maintenance base (access via fuselage access panels No.21), and the pilot must record the check in the maintenance release. Owners/operators bear the inspection/modification costs and any downtime."}},"importantCases":[],"_links":{"self":"/api/acts/ad-p68-25-aileron-control-chain-connector-inspection-and-modification","history":"/api/acts/ad-p68-25-aileron-control-chain-connector-inspection-and-modification/history","analysis":"/api/acts/ad-p68-25-aileron-control-chain-connector-inspection-and-modification/analysis","conflicts":"/api/acts/ad-p68-25-aileron-control-chain-connector-inspection-and-modification/conflicts","importantCases":"/api/acts/ad-p68-25-aileron-control-chain-connector-inspection-and-modification/important-cases","documents":"/api/acts/ad-p68-25-aileron-control-chain-connector-inspection-and-modification/documents"}}