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AD/DO 328/24 - Ground Cooling Fan
Dornier 328 Series AeroplanesDornier 328 Series Aeroplanes
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Dornier 328 Series Aeroplanes
| AD/DO 328/24 | Ground Cooling Fan | 1/2006 |
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| Applicability: | Dornier 328-100 aeroplanes serial numbers: 3005 to 3095 inclusive. |
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| Requirement: | Unless previously accomplished, install a modified check valve in accordance with Dornier 328 Service Bulletin No. 328-21-227 dated 16 July 1997 or later LBA approved revision.Note: LBA AD 97-243 refers. |
| Compliance: | Within 30 days after the effective date of this AD. |
| This Airworthiness Directive becomes effective on 19 January 2006. | |
| Background: | On aircraft with engines without Pratt & Whitney SB P&WC-SB-21453 incorporated the heat exchanger can suffer oil contamination. Oil contaminated heat exchangers together with an unserviceable ground cooling fan can cause an overheat condition, which under worst conditions can lead to smoke in the cabin and the cockpit.This AD requires the replacement of the valve and varies the installation of the valve. |
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James Coyne
Delegate of the Civil Aviation Safety Authority
29 November 2005