{"id":"F2009L03831","name":"AD/DO 328/74 - Engine Controls - Power Lever Control Box","slug":"ad-do-328-74-engine-controls-power-lever-control-box","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":81068,"registerId":"commonwealth-F2009L03831-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Dornier 328 Series Aeroplanes","sectionType":"division","heading":"Dornier 328 Series Aeroplanes","content":"### Dornier 328 Series Aeroplanes\n\n| AD/DO 328/74 | Engine Controls - Power Lever Control Box | 12/2009 |\n| ------------ | ----------------------------------------- | ------- |\n\n| Applicability: | Dornier Luftfahrt GmbH; Fairchild-Dornier GmbH; AvCraft Aerospace GmbH Model 328-100 aeroplanes.                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |\n| -------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n| Requirement:   | 1. Inspect and modify the power lever control box in accordance with the accomplishment instructions of 328 Support Services GmbH Service Bulletin SB-328-76-486 dated 15 July 2009.2. If discrepancies are found during the inspection and installation as detailed in Requirement 1 of this AD, contact 328 Support Services GmbH for corrective actions and accomplish those actions accordingly.The use of later approved revisions of this document is acceptable for compliance with the requirements of this AD.Note: EASA AD 2009-0196 dated 4 September 2009 refers. |\n| Compliance:    | For Requirement 1 - Within the next 15 months after the effective date of this AD, unless previously accomplished.For Requirement 2 - Before further flight.                                                                                                                                                                                                                                                                                                                                                                                                                  |\n|                | This Airworthiness Directive becomes effective on 19 November 2009.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |\n| Background:    | Several runway excursion incidents and a single accident have occurred in the past with Dornier 328-100 aeroplanes, where the power lever could not be operated as intended during the landing roll-out. This situation has resulted in a safety record below the desirable standard.Recurrence of such an event under similar conditions, if not corrected, could result in further cases of runway excursion, possibly resulting in damage to the aeroplane and injury to the occupants.                                                                                    |\n\n|     | A modification to the power lever control box has been designed to prevent further power lever handling difficulties. |\n| --- | --------------------------------------------------------------------------------------------------------------------- |\n\n![](image.001.png)  \nDavid Villiers  \nDelegate of the Civil Aviation Safety Authority\n\n28 September 2009","sortOrder":0},{"sectionNumber":"AD/DO 328/74","sectionType":"part","heading":"AD/DO 328/74","content":"## AD/DO 328/74","sortOrder":1},{"sectionNumber":"Engine Controls - Power Lever Control Bo","sectionType":"part","heading":"Engine Controls - Power Lever Control Box","content":"## Engine Controls - Power Lever Control Box","sortOrder":2},{"sectionNumber":"12/2009","sectionType":"part","heading":"12/2009","content":"## 12/2009","sortOrder":3}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This AD maintains its original narrow scope: addressing a specific mechanical defect in a specific aircraft type. The directive targets exactly the safety issue identified in the background (power lever control problems during landing) with precisely the remedy designed by the manufacturer. No scope creep is evident."},"complexity_factors":["Single, clearly defined mechanical component (power lever control box)","Only 2 requirements with straightforward conditional logic (Requirement 2 only triggers if discrepancies found in Requirement 1)","No defined terms section or interpretation provisions","Single cross-reference to EASA AD 2009-0196 (informational only)","Clear compliance timeline (15 months for inspection, immediate for repairs)","Short document with minimal regulatory machinery"],"plain_english_summary":"This mandatory CASA Airworthiness Directive requires operators of Dornier 328‑100 aircraft to inspect and modify the power lever control box per 328 Support Services GmbH Service Bulletin SB‑328‑76‑486 after reports of loss of power‑lever control that led to a runway excursion. Inspections and any required repairs must be done within 15 months of 19 Nov 2009 and defects fixed before further flight to prevent accidents and injuries."},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"The AD implements a targeted safety corrective action for the power lever control box on Dornier 328-100 aeroplanes consistent with the stated background and requirements (Background; Requirement; Applicability). It does not extend obligations to other models or unrelated systems, nor does it add recurring monitoring duties in the text provided."},"complexity_factors":["Narrow applicability: only Dornier 328-100 aeroplanes (Applicability).","Technical nature: requires inspection and physical modification to a flight control component and adherence to a specific Service Bulletin (Requirement).","Compliance timing: a 15‑month deadline for the inspection/modification and a before‑flight requirement for corrective actions (Compliance).","Manufacturer interaction: if discrepancies are found operators must contact 328 Support Services for corrective actions, creating a dependency on OEM support (Requirement 2).","Operational impact: potential aircraft downtime, parts or workshop capacity needs, and crew/maintenance scheduling implications.","Limited regulatory discretion: AD prescribes actions and timings without a process for alternate methods of compliance in the text provided."],"plain_english_summary":"Inspects and requires modification of the power‑lever control box on Dornier 328‑100 aeroplanes, to be done using 328 Support Services Service Bulletin SB‑328‑76‑486. Operators must inspect and modify within 15 months and must contact 328 Support Services and apply any corrective action before further flight if discrepancies are found. The rule targets a known failure mode during landing roll‑out that has contributed to runway excursions; it imposes a technical retrofit, operator compliance timing, and possible aircraft downtime."},"flash_summary_failed":{"failed":true,"reason":"Unauthenticated. Configure AI_GATEWAY_API_KEY or use a provider module. Learn more: https://ai-sdk.dev/unauthenticated-ai-gateway","source":"analysis-cron"}},"importantCases":[],"_links":{"self":"/api/acts/ad-do-328-74-engine-controls-power-lever-control-box","history":"/api/acts/ad-do-328-74-engine-controls-power-lever-control-box/history","analysis":"/api/acts/ad-do-328-74-engine-controls-power-lever-control-box/analysis","conflicts":"/api/acts/ad-do-328-74-engine-controls-power-lever-control-box/conflicts","importantCases":"/api/acts/ad-do-328-74-engine-controls-power-lever-control-box/important-cases","documents":"/api/acts/ad-do-328-74-engine-controls-power-lever-control-box/documents"}}