{"id":"F2006B05420","name":"AD/PA-22/16 - Tail Brace Clevises - Replacement","slug":"ad-pa-22-16-tail-brace-clevises-replacement","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":46095,"registerId":"commonwealth-F2006B05420-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/PA-22/16 - Tail Brace Clevises - Replacement","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)  Piper PA-22 (Tri-Pacer and Colt) Series Aeroplanes\n\n \n\nAD/PA-22/16 Tail Brace Clevises - Replacement 4/61\n\nApplicability: Model PA-22-108 with S/Nos. 22-8000 to 22-8042. Document:  Piper SB No. 198.\n\nCompliance: Forthwith.\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\n \n\n \n\n \n\n \n\n \n\n \n\n \n","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1120},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"This maintains its original narrow scope as a targeted safety directive addressing a specific mechanical defect (tail brace clevis failure risk) in a limited fleet of aircraft. There is no evidence of scope creep or expansion beyond the original airworthiness safety purpose."},"complexity_factors":["Extremely narrow applicability (single model, specific serial number range 22-8000 to 22-8042)","Single compliance action with no alternatives or exceptions","No defined terms or interpretive provisions","Immediate compliance requirement with no phased implementation or conditional triggers"],"plain_english_summary":"**What this does:** Requires owners to immediately replace the tail brace clevises (metal fittings that connect the tail support wires to the aircraft frame) on specific Piper aeroplanes.\n\n**Who it affects:** Owners and operators of Piper PA-22-108 model aircraft with serial numbers between 22-8000 and 22-8042 (43 specific aircraft).\n\n**What you must do:** Replace the specified parts in accordance with Piper Service Bulletin No. 198 **immediately** (\"forthwith\"). There is no grace period.\n\n**Why it matters:** This addresses a safety defect in the tail section hardware that could affect aircraft structural integrity during flight."}},"importantCases":[],"_links":{"self":"/api/acts/ad-pa-22-16-tail-brace-clevises-replacement","history":"/api/acts/ad-pa-22-16-tail-brace-clevises-replacement/history","analysis":"/api/acts/ad-pa-22-16-tail-brace-clevises-replacement/analysis","conflicts":"/api/acts/ad-pa-22-16-tail-brace-clevises-replacement/conflicts","importantCases":"/api/acts/ad-pa-22-16-tail-brace-clevises-replacement/important-cases","documents":"/api/acts/ad-pa-22-16-tail-brace-clevises-replacement/documents"}}