{"id":"F2006B11001","name":"AD/JT8D-200/3 - Low Pressure Turbine Anti-Rotation Pins","slug":"ad-jt8d-200-3-low-pressure-turbine-anti-rotation-pins","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":56594,"registerId":"commonwealth-F2006B11001-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/JT8D-200/3 - Low Pressure Turbine Anti-Rotation Pins","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 - 106 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\n \n\n![](image.001.png)  Pratt and Whitney Turbine Engines - JT8D-200 Series\n\n \n\nAD/JT8D-200/3 Low Pressure Turbine Anti-Rotation Pins 10/92\n\nApplicability: JT8D-209, -217, -217A, -217C and -219 turbofan engines.\n\nRequirement: As detailed in the technical requirements of FAA Airworthiness Directive 88-04-02. Compliance:              As detailed in the Requirement document, with an effective date of 17 September\n\n1992.\n\n \n\nBackground:  This Directive requires inspection, replacement and modification of the low pressure turbine anti-rotation pins.\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":{"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":false,"description":"The instrument restates and adopts the FAA Airworthiness Directive 88-04-02 technical requirements for inspection, replacement and modification of LPT anti-rotation pins for specified JT8D-200 series engines and sets an effective date. The text supplied shows no indication that the scope of those technical requirements was altered from the FAA AD; it applies those requirements to the named engine models without adding or removing applicability or substantive tasks."},"complexity_factors":["Short, single-subject directive referencing a single external FAA AD (cross-reference adds modest complexity).","Technical nature of required actions (inspection, replacement, modification) requires engineering/maintenance expertise to implement.","Narrow applicability limited to five JT8D engine variants reduces legal scope complexity.","Compliance timeline provided (effective date 17 September 1992) is explicit, lowering scheduling uncertainty.","Instrument does not include enforcement details, cost-quantification, or the technical text itself, requiring users to consult the FAA AD for full implementation."],"plain_english_summary":"This instrument makes a mandatory airworthiness directive requiring inspection, replacement and modification of low‑pressure turbine anti‑rotation pins on specified Pratt & Whitney JT8D‑200 series engines, by adopting the technical requirements of FAA AD 88‑04‑02. Effective 17 September 1992, it applies to aircraft operators and maintenance organisations (who bear costs and downtime) and is issued and enforced by the Civil Aviation Safety Authority."},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a standard airworthiness directive with narrow, specific scope limited to particular engine models and a defined mechanical component. No scope creep evident."},"complexity_factors":["Very short document (approximately 150 words)","Only 2 defined applicability criteria (engine models)","Single cross-reference to external FAA document (88-04-02)","No nested conditions or exceptions","Straightforward compliance requirement with fixed effective date","No interpretation section or defined terms"],"plain_english_summary":"This is an **Airworthiness Directive (AD)** issued by Australia's Civil Aviation Safety Authority (CASA) that applies to specific Pratt & Whitney jet engines used in aircraft.\n\n**What it does:**\n- Requires airlines and aircraft operators to inspect, replace, and modify **low pressure turbine anti-rotation pins** on certain JT8D-200 series engines\n- These pins are small but critical components that prevent parts of the turbine from spinning in ways they shouldn't\n\n**Who it affects:**\n- Operators of aircraft with **JT8D-209, -217, -217A, -217C and -219** turbofan engines (commonly used on older Boeing 727 and 737 aircraft)\n- Maintenance engineers and airlines responsible for keeping these engines airworthy\n\n**Why it matters:**\n- Faulty anti-rotation pins could cause catastrophic engine failure\n- The directive mandates specific safety actions originally required by the US Federal Aviation Administration (FAA) in 1988\n- Compliance became mandatory in Australia from **17 September 1992**\n\n**Key point:** This directive essentially adopts an American safety standard (FAA Airworthiness Directive 88-04-02) into Australian law to ensure passenger safety."}},"importantCases":[],"_links":{"self":"/api/acts/ad-jt8d-200-3-low-pressure-turbine-anti-rotation-pins","history":"/api/acts/ad-jt8d-200-3-low-pressure-turbine-anti-rotation-pins/history","analysis":"/api/acts/ad-jt8d-200-3-low-pressure-turbine-anti-rotation-pins/analysis","conflicts":"/api/acts/ad-jt8d-200-3-low-pressure-turbine-anti-rotation-pins/conflicts","importantCases":"/api/acts/ad-jt8d-200-3-low-pressure-turbine-anti-rotation-pins/important-cases","documents":"/api/acts/ad-jt8d-200-3-low-pressure-turbine-anti-rotation-pins/documents"}}