{"id":"F2006B06661","name":"AD/ROTAX/14 - Turbo Charger Pressure Oil Line Banjo Bolt","slug":"ad-rotax-14-turbo-charger-pressure-oil-line-banjo-bolt","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":48607,"registerId":"commonwealth-F2006B06661-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"AIRWORTHINESS DIRECTIVE","sectionType":"part","heading":"AIRWORTHINESS DIRECTIVE","content":"# AIRWORTHINESS DIRECTIVE\n\n![](image.001.png)  \n\nFor the reasons set out in the background section, the CASA delegate whose signature appears below issues the following Airworthiness Directive (AD) under subregulation 39.1 (1) of CASR 1998. The AD requires that the action set out in the requirement section (being action that the delegate considers necessary to correct the unsafe condition) be taken in relation to the aircraft or aeronautical product mentioned in the applicability section: (a) in the circumstances mentioned in the requirement section; and (b) in accordance with the instructions set out in the requirement section; and (c) at the time mentioned in the compliance section.\n\n![](image.001.png)  \n\nRotax Piston Engines","sortOrder":0},{"sectionNumber":"AD/ROTAX/14 Turbo Charger Pressure Oil L","sectionType":"part","heading":"AD/ROTAX/14 Turbo Charger Pressure Oil Line Banjo Bolt 12/2003","content":"# AD/ROTAX/14 Turbo Charger Pressure Oil Line Banjo Bolt 12/2003\n\nApplicability: Rotax 914 F-Series. Serial numbers 4.420.011 up to 4.420.058 inclusive. Requirement: Inspect the turbocharger oil pressure line banjo bolt in accordance with Bombardier\n\nRotax Technical Bulletin Number 914-04.\n\nNote: Austrian Airworthiness Directive Number 90 refers.\n\nCompliance: No later than 30 November 2003.\n\nThis Airworthiness Directive becomes effective on 27 November 2003.\n\nBackground: This directive has been issued in response to advice from the engine manufacturer of a turbocharger oil pressure line banjo bolt being found incorporating a built in orifice instead of a valve seat.\n\n![Signature of Jim Coyne Delegate of the Civil Aviation Safety Authority](image.002.png)  \n\nJim Coyne\n\nDelegate of the Civil Aviation Safety Authority 13 October 2003\n\n![](image.001.png)","sortOrder":1}],"analysis":{"flash_summary_failed":{"failed":true,"reason":"A positive credit balance is required for all requests, including BYOK, so fallback providers remain available. Add credits at https://vercel.com/d?to=%2F%5Bteam%5D%2F%7E%2Fai%3Fmodal%3Dtop-up to continue.","source":"analysis-cron"},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a targeted safety directive addressing a specific manufacturing defect in a defined batch of engines. The scope remains precisely limited to the identified unsafe condition and affected serial numbers."},"complexity_factors":["Very short document (under 300 words)","Only 1 defined applicability criterion (specific engine serial number range)","Single requirement with clear cross-reference to manufacturer technical bulletin","Simple compliance deadline with no conditional logic or exceptions","No nested definitions or interpretive provisions","Straightforward background explanation with single technical issue"],"plain_english_summary":"Owners and operators of Rotax 914 F-Series engines (serials 4.420.011–4.420.058) must inspect the turbocharger oil pressure line banjo bolt per Bombardier Rotax Technical Bulletin 914‑04 by 30 November 2003.  \n\nSome engines were fitted with a bolt having a built‑in orifice instead of a proper valve seat; if present, this can cause unsafe engine operation and possible in‑flight engine failure, so the check is mandatory."},"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":false,"description":"Scope matches the instrument's stated purpose: it applies only to the listed Rotax 914 F‑Series serial numbers and mandates an inspection per the referenced technical bulletin by the specified date to address the reported unsafe condition (built‑in orifice instead of valve seat). No expansion or narrowing beyond that text is indicated."},"complexity_factors":["Narrow applicability: specific engine model and limited serial-number range (Rotax 914 F‑Series, 4.420.011–4.420.058).","Single, clear required action: inspect turbocharger oil pressure line banjo bolt per Bombardier Rotax Technical Bulletin 914‑04 (external document referenced).","Short compliance window: effective 27 November 2003 with compliance by 30 November 2003 increases urgency.","Legal basis explicitly stated: issued under CASR subregulation 39.1(1), showing delegated authority and enforceability.","Operational burden concentrated on owners/operators who bear inspection and any replacement costs.","External cross-reference: notes Austrian Airworthiness Directive Number 90 (additional traceability to another regulator).","Low regulatory discretion in text: directive prescribes a specific inspection requirement rather than open-ended corrective measures."],"plain_english_summary":"This Airworthiness Directive requires owners/operators of Rotax 914 F‑Series engines (serial numbers 4.420.011–4.420.058) to inspect the turbocharger oil pressure line banjo bolt according to Bombardier Rotax Technical Bulletin 914‑04 because a bolt was found with a built‑in orifice instead of a valve seat. Compliance is mandatory by 30 November 2003 (effective 27 November 2003). CASA issued the directive under CASR subregulation 39.1(1). Owners/operators pay for inspections and any remedial work; compliance may include part replacement if the bolt is non‑conforming."}},"importantCases":[],"_links":{"self":"/api/acts/ad-rotax-14-turbo-charger-pressure-oil-line-banjo-bolt","history":"/api/acts/ad-rotax-14-turbo-charger-pressure-oil-line-banjo-bolt/history","analysis":"/api/acts/ad-rotax-14-turbo-charger-pressure-oil-line-banjo-bolt/analysis","conflicts":"/api/acts/ad-rotax-14-turbo-charger-pressure-oil-line-banjo-bolt/conflicts","importantCases":"/api/acts/ad-rotax-14-turbo-charger-pressure-oil-line-banjo-bolt/important-cases","documents":"/api/acts/ad-rotax-14-turbo-charger-pressure-oil-line-banjo-bolt/documents"}}