{"id":"F2006B06586","name":"AD/RES/19 - Am-Safe Harness Buckle Assemblies","slug":"ad-res-19-am-safe-harness-buckle-assemblies","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":48389,"registerId":"commonwealth-F2006B06586-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/RES/19 - Am-Safe Harness Buckle Assemblies","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)  Restraint Equipment\n\n \n\nAD/RES/19 Am-Safe Harness Buckle Assemblies 4/87\n\nApplicability: Am-Safe restraint system assemblies P/Nos 501825-403, 501907-401, 501907-403,\n\n501907-405 502061-401, 502147-401, 502147-403;\n\n \n\nRequirement: Inspect the male portion/s of the buckle assembly. Remove from service any connector identified as Lot 04. Am-Safe Mandatory SB AS 001 refers.\n\n![](image.002.png)  \n\n\n \n\nCompliance: Prior to the issue of the next Maintenance Release after 9 April 1987 or within 100 hours time in service after 9 April 1987 whichever is later.\n\n \n\nBackground: There is a possibility that items from the subject batch may dislodge from the buckle if a side load is applied to the assembly.\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 targeted, time-limited safety directive addressing a specific manufacturing defect in specific aircraft parts. It has not expanded beyond its original narrow scope."},"complexity_factors":["Very short document (under 200 words)","Only 6 specific part numbers affected","Single clear action required (inspect and remove if Lot 04)","Simple compliance deadline (next Maintenance Release or 100 hours)","No defined terms section","No cross-references to other legislation beyond the manufacturer's service bulletin","No conditional logic or exceptions"],"plain_english_summary":"This is an **Airworthiness Directive (AD)** — essentially a mandatory safety order issued by Australia's Civil Aviation Safety Authority (CASA). It applies to specific seatbelt buckle assemblies made by a company called Am-Safe.\n\n**What it does:**\n- **Who's affected:** Aircraft operators using Am-Safe restraint systems with specific part numbers (listed in the document).\n- **What they must do:** Inspect the male (insert) portion of certain seatbelt buckles. If any buckle is identified as coming from \"Lot 04,\" it must be removed from service immediately.\n- **Why:** There's a defect risk — buckles from this specific production batch could dislodge (come apart) if force is applied from the side, which could be dangerous during turbulence or an accident.\n- **When:** The inspection must happen before the aircraft's next Maintenance Release (a formal document certifying an aircraft is airworthy) issued after 9 April 1987, or within 100 flight hours after that date — whichever comes later.\n\n**Why it matters:** This is a classic aviation safety intervention. It targets a specific manufacturing defect before it causes injuries. The directive references Am-Safe's own Service Bulletin (SB AS 001), showing the manufacturer identified the problem first and CASA made compliance mandatory."},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"The directive does not broaden regulatory scope beyond the parts and safety issue it identifies. It targets a discrete set of Am-Safe buckle assembly part numbers and requires inspection and removal of connectors from a specific lot (Lot 04). Functionally, it modifies maintenance obligations for owners/operators of aircraft fitted with those listed P/Ns (inspection and removal within the stated compliance window) but does not extend to other parts, operations, or certifications beyond that targeted corrective action. (\"Applicability\", \"Requirement\", \"Compliance\", \"Background\")"},"complexity_factors":["Number of distinct affected part numbers that must be checked (7 P/Ns listed) (\"Applicability\")","Need to inspect a specific component area (male portion of the buckle) and accurately identify lot markings (operational identification challenge) (\"Requirement\")","Prescriptive removal rule tied to identification of a single lot (Lot 04) which is straightforward in substance but depends on legible lot marking and component traceability (\"Requirement\")","Compliance timing tied to either the next Maintenance Release after a fixed date or 100 hours TIS after that date, creating scheduling constraints (\"Compliance\")","Dependence on the manufacturer’s mandatory service bulletin (Am-Safe Mandatory SB AS 001) for procedural detail introduces an external document to follow (\"Requirement\")"],"plain_english_summary":"Operators and maintenance organisations using the listed Am‑Safe buckle part numbers must inspect the male portion(s) and permanently remove from service any connector marked Lot 04, following Am‑Safe Mandatory SB AS 001. Compliance is required by the next Maintenance Release after 9 April 1987 or within 100 hours TIS after that date, whichever is later. The AD responds to a risk that Lot 04 connectors may dislodge under side load; operators bear inspection, replacement and downtime costs."}},"importantCases":[],"_links":{"self":"/api/acts/ad-res-19-am-safe-harness-buckle-assemblies","history":"/api/acts/ad-res-19-am-safe-harness-buckle-assemblies/history","analysis":"/api/acts/ad-res-19-am-safe-harness-buckle-assemblies/analysis","conflicts":"/api/acts/ad-res-19-am-safe-harness-buckle-assemblies/conflicts","importantCases":"/api/acts/ad-res-19-am-safe-harness-buckle-assemblies/important-cases","documents":"/api/acts/ad-res-19-am-safe-harness-buckle-assemblies/documents"}}