{"id":"F2006L02882","name":"AD/DO 328/65 - Power Plant Air Intake","slug":"ad-do-328-65-power-plant-air-intake","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":60133,"registerId":"commonwealth-F2006L02882-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 328/65 | Power Plant Air Intake | 10/2006 |\n| ------------ | ---------------------- | ------- |\n\n| Applicability: | Dornier 328-100 series aeroplanes with serial numbers as listed in Dornier 328 Service Bulletins (SB) 328-71-125 Revision 3 or later LBA approved revision and SB-328-71-122 Revision 1 or later LBA approved revision.                                                                                                                                                                    |\n| -------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |\n| Requirement:   | Replace the air intake and install a by-pass duct outlet cover and carry out visual and tactile inspections in accordance with SB-328-71-122 Revision 1 and SB-328-71-125 Revision 3 or later LBA approved revision.The inspections detailed in this requirement are not required if SB-328-30-242 Revision1 and SB-328-30-274 Revision 1 are incorporated.Note: LBA AD 1995-156/3 refers. |\n| Compliance:    | Air intake installation within 30 days after the effective date of this AD, unless previously accomplished.Visual and tactile inspections at intervals not to exceed 7 days.                                                                                                                                                                                                               |\n|                | This Airworthiness Directive becomes effective on 28 September 2006.                                                                                                                                                                                                                                                                                                                       |\n| Background:    | This AD requires the installation of an improved air intake system with an improved ice protection system.                                                                                                                                                                                                                                                                                 |\n\n![](image.001.png)  \nJames Coyne  \nDelegate of the Civil Aviation Safety Authority\n\n14 August 2006","sortOrder":0},{"sectionNumber":"AD/DO 328/65","sectionType":"part","heading":"AD/DO 328/65","content":"## AD/DO 328/65","sortOrder":1},{"sectionNumber":"Power Plant Air Intake","sectionType":"part","heading":"Power Plant Air Intake","content":"## Power Plant Air Intake","sortOrder":2},{"sectionNumber":"10/2006","sectionType":"part","heading":"10/2006","content":"## 10/2006","sortOrder":3}],"analysis":{"flash_summary":{"complexity_score":5,"scope_assessment":{"changed":false,"description":"The instrument prescribes corrective modifications and inspection frequency for the listed Dornier 328-100 serial numbers. The text does not state any change to its original stated scope or a widening/narrowing of applicability beyond the listed service bulletin serial numbers and referenced exceptions."},"complexity_factors":["Applicability limited to aircraft with serial numbers listed in SB-328-71-125 Rev 3 (or later LBA‑approved) and SB-328-71-122 Rev 1 (or later LBA‑approved) (Applicability).","Mandates both a hardware change (air intake replacement and by‑pass duct outlet cover installation) and recurring inspections (Requirement).","Conditional compliance path: inspections not required if SB-328-30-242 Rev 1 and SB-328-30-274 Rev 1 are incorporated (Requirement, Note).","Tight initial compliance deadline: installation within 30 days of the AD's effective date (Compliance).","High-frequency inspection burden: visual/tactile inspections at intervals not to exceed 7 days (Compliance).","Cross-references to other regulatory documents and prior LBA AD (LBA AD 1995-156/3 and LBA approval requirements) increase interpretive steps (Requirement, Applicability).","Operational and logistical impacts fall on aircraft operators/owners who must schedule parts, labour and recurring inspections (implicit from Requirement and Compliance)."],"plain_english_summary":"This Airworthiness Directive orders operators of specified Dornier 328-100 aeroplanes to replace the power-plant air intake, fit a by‑pass duct outlet cover and carry out repeated visual/tactile inspections according to two named Dornier service bulletins. It applies to aircraft with serial numbers listed in those service bulletins; the replacement must be done within 30 days and inspections no less often than every 7 days (inspections may be unnecessary if alternative service bulletins are incorporated)."},"kimi_summary":{"content_quality":"ok","complexity_score":3,"scope_assessment":{"changed":false,"description":"This is a standard, narrow Airworthiness Directive focused specifically on air intake ice protection for one aircraft type. It has not expanded beyond its original safety purpose."},"complexity_factors":["Short, single-purpose directive (approximately 200 words of substantive content)","Only 4 defined technical references (the four Service Bulletins)","Simple conditional logic: one exemption clause for the inspection requirement","No nested definitions or cross-references to other legislation","Straightforward compliance structure: one-time installation + recurring inspection","Single applicability criterion based on aircraft serial numbers"],"plain_english_summary":"This AD requires owners/operators of certain Dornier 328‑100 aeroplanes to replace the engine air intake with an improved design, fit a by‑pass duct outlet cover, and perform visual/tactile inspections every 7 days (replacement within 30 days). Operators with two specified prior modifications are exempt from the recurring inspections but must still replace the intake. It addresses ice accumulation in the intake that can cause engine power loss or failure."},"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"}},"importantCases":[],"_links":{"self":"/api/acts/ad-do-328-65-power-plant-air-intake","history":"/api/acts/ad-do-328-65-power-plant-air-intake/history","analysis":"/api/acts/ad-do-328-65-power-plant-air-intake/analysis","conflicts":"/api/acts/ad-do-328-65-power-plant-air-intake/conflicts","importantCases":"/api/acts/ad-do-328-65-power-plant-air-intake/important-cases","documents":"/api/acts/ad-do-328-65-power-plant-air-intake/documents"}}