{"id":"F2006B06014","name":"AD/PA-44/8 - Aileron Spar Web - Modification","slug":"ad-pa-44-8-aileron-spar-web-modification","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":114412,"registerId":"commonwealth-F2006B06014-current","compilationNumber":null,"startDate":"2026-04-03","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/PA-44/8 - Aileron Spar Web - 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)  Piper PA-44 (Seminole) Series Aeroplanes\n\n \n\nAD/PA-44/8 Aileron Spar Web - Modification 3/81\n\nApplicability: All model PA-44-180 with S/Nos. 44-7995001 to 44-8095006. Document:  Piper SB No. 702.\n\nCompliance: Before 1 July 1981.\n\n \n\nBackground: Reports have been received by the manufacturer of an abnormal flexing in the aileron spar web at the push-pull rod attachment.\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":{"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"This is a discrete, time-limited safety directive from 1981 with a narrow, specific scope (one aircraft model, specific serial numbers, one specific modification). It has not expanded beyond its original purpose."},"complexity_factors":["Extremely short document (approximately 150 words)","No defined terms section","No cross-references to other legislation beyond the enabling regulation (Civil Aviation Regulations 1998, Part 39)","Simple conditional structure: single applicability criterion (specific aircraft model and serial number range)","Single compliance requirement with clear deadline","No exceptions, exemptions, or nested conditions","Straightforward factual background with no legal interpretation required"],"plain_english_summary":"**What this is:** This is an **Airworthiness Directive (AD)** — a mandatory safety order issued by Australia's Civil Aviation Safety Authority (CASA) under the Civil Aviation Regulations 1998.\n\n**What it does:** It requires owners and operators of specific Piper PA-44-180 Seminole aircraft to carry out a modification to the **aileron spar web** (a structural part of the wing that helps control the ailerons, which are the flaps that make the plane turn). The modification addresses a problem where this part was flexing abnormally where the control rod attaches.\n\n**Who it affects:** Anyone who owns or operates a Piper PA-44-180 Seminole aircraft with serial numbers between 44-7995001 and 44-8095006.\n\n**What must be done:** The aircraft must be modified according to **Piper Service Bulletin No. 702** before **1 July 1981**.\n\n**Why it matters:** Abnormal flexing in a control surface attachment point is a serious safety risk. If the spar web fails, the pilot could lose control of the aileron, potentially leading to loss of control of the aircraft. This AD ensures the structural weakness is fixed before it causes an accident."},"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":false,"description":"The text sets a targeted, time-limited requirement for a modification on a defined set of serial numbers and references a specific service bulletin (Applicability; Compliance; Document). Nothing in the instrument indicates an expansion or narrowing of that original target beyond what is stated; therefore the scope has not changed from what the instrument itself sets out."},"complexity_factors":["Narrow applicability: applies only to a specific model and a limited range of serial numbers (Applicability).","Single required action: a single modification is mandated, reducing procedural complexity (Document; Compliance).","Fixed compliance deadline: sets a clear due date, simplifying scheduling but creating a time pressure (Compliance).","Dependence on external technical document: the AD delegates technical detail to Piper SB No. 702, so implementers must consult that separate document (Document).","Minimal procedural text: the AD does not set out alternate compliance routes, enforcement detail, or cost provisions in the text provided."],"plain_english_summary":"This AD requires owners/operators of Piper PA-44-180 aeroplanes (serials 44-7995001–44-8095006) to carry out a Piper Service Bulletin No. 702 modification to the aileron spar web at the push–pull rod attachment, addressing reported abnormal flexing. Issued by the Civil Aviation Safety Authority, the one‑off, owner‑funded modification had to be completed by 1 July 1981 and may temporarily ground aircraft for maintenance."}},"importantCases":[],"_links":{"self":"/api/acts/ad-pa-44-8-aileron-spar-web-modification","history":"/api/acts/ad-pa-44-8-aileron-spar-web-modification/history","analysis":"/api/acts/ad-pa-44-8-aileron-spar-web-modification/analysis","conflicts":"/api/acts/ad-pa-44-8-aileron-spar-web-modification/conflicts","importantCases":"/api/acts/ad-pa-44-8-aileron-spar-web-modification/important-cases","documents":"/api/acts/ad-pa-44-8-aileron-spar-web-modification/documents"}}