{"id":"F2006B06613","name":"AD/ROBIN/16 - Ball and Socket Fitting","slug":"ad-robin-16-ball-and-socket-fitting","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":48462,"registerId":"commonwealth-F2006B06613-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/ROBIN/16 - Ball and Socket Fitting","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)  Robin Aviation Series Aeroplanes\n\n \n\nAD/ROBIN/16 Ball and Socket Fitting 7/92\n\nApplicability: ATL, all types, and R3000, all types.\n\n \n\nRequirement: For ATL: Action in accordance with ROBIN SA SB No.8 Rev.1.\n\n \n\nFor R3000: Action in accordance with AVIONS PIERRE ROBIN SB No.121 Rev.1.\n\n \n\nNote: DGAC AD 91-154(A) refers.\n\n \n\nCompliance: Unless already accomplished; Prior to further flight after 30 June 1992.\n\n \n\nBackground: The DGAC requires an inspection of the ball and socket fittings. This action is required in order to prevent jamming of certain ball and socket fittings, due to a surface treatment problem during manufacture.\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":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a discrete, time-bound safety directive addressing a specific manufacturing defect. It has not expanded beyond its original purpose of mandating inspections for jamming risks in ball and socket fittings."},"complexity_factors":["Very short document (under 200 words)","Only 2 defined applicability categories (ATL and R3000)","Simple conditional structure: 'Unless already accomplished' single exception","No cross-references to other legislation beyond a note about the French DGAC AD","Clear, single compliance deadline","Straightforward requirement structure: identify aircraft type → follow relevant service bulletin"],"plain_english_summary":"This is an **Airworthiness Directive (AD)** issued by Australia's Civil Aviation Safety Authority (CASA) for specific Robin aeroplanes. It mandates safety inspections of **ball and socket fittings** — mechanical joints that allow movement — on two aircraft models: the **ATL** and **R3000** series.\n\n**What it requires:**\n- **ATL aircraft owners:** Follow Robin Service Bulletin No.8 Rev.1\n- **R3000 aircraft owners:** Follow Avions Pierre Robin Service Bulletin No.121 Rev.1\n\n**Why it matters:**\nA manufacturing defect in the surface treatment of these fittings could cause them to **jam**, potentially affecting aircraft control. The French aviation authority (DGAC) identified this risk, and Australia adopted the same safety requirement.\n\n**Deadline:**\nThe inspection must be completed **before any further flight after 30 June 1992** unless already done.\n\n**Who it affects:**\nOwners and operators of Robin ATL and R3000 aeroplanes registered in Australia."},"flash_summary":{"complexity_score":4,"scope_assessment":{"changed":false,"description":"The text is a single airworthiness directive limited to ATL and R3000 Robin types and prescribes specific actions via named service bulletins. The instrument itself states the applicability and required actions; it does not indicate any amendment to that scope or a change from a prior scope within the provided text. Therefore no change of scope from the instrument’s stated intent is evident in the source material. (Applicability; Requirement)"},"complexity_factors":["Narrow technical scope (only ball-and-socket fittings on two aircraft families) reduces breadth of issues.","Mandatory reliance on external documents (manufacturer Service Bulletins) for the detailed corrective procedure increases procedural complexity because the AD does not contain the steps itself. (Requirement)","Hard compliance deadline tied to flight status (must be done before further flight after 30 June 1992) creates operational urgency and scheduling complexity. (Compliance)","Cross-reference to a foreign regulator’s AD (DGAC AD 91-154(A)) introduces potential need to reconcile international documentation. (Note)","Potential for variable remedial work (inspection may lead to different corrective actions or replacement parts) creates uncertain cost and logistics for operators. (Background; Requirement)"],"plain_english_summary":"Requires inspection and any corrective action on ball‑and‑socket fittings of Robin ATL and R3000 aircraft, carried out per the manufacturer service bulletins (ROBIN SA SB No.8 Rev.1 for ATL; Avions Pierre Robin SB No.121 Rev.1 for R3000) before the next flight after 30 June 1992. Owners/operators must arrange and pay for compliance. Purpose: prevent jamming from a manufacturing surface‑treatment defect; action aligns with the related French DGAC AD."}},"importantCases":[],"_links":{"self":"/api/acts/ad-robin-16-ball-and-socket-fitting","history":"/api/acts/ad-robin-16-ball-and-socket-fitting/history","analysis":"/api/acts/ad-robin-16-ball-and-socket-fitting/analysis","conflicts":"/api/acts/ad-robin-16-ball-and-socket-fitting/conflicts","importantCases":"/api/acts/ad-robin-16-ball-and-socket-fitting/important-cases","documents":"/api/acts/ad-robin-16-ball-and-socket-fitting/documents"}}