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AD/SA 315/15 - MGB Output Flange
Eurocopter SA 315 (Lama) Series HelicoptEurocopter SA 315 (Lama) Series Helicopters
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Eurocopter SA 315 (Lama) Series Helicopters
| AD/SA 315/15 | MGB Output Flange | 6/2007 |
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| Applicability: | Eurocopter SA315B (LAMA) helicopters fitted with MGB P/N 319A.62.00.000.1 through .4. |
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| Requirement: | 1. Measure the play at the location of the assembly through measurement of the angular displacement on the MGB output flange, in accordance with Eurocopter Service Bulletin (SB) No. 05.16 or later approved revision.2. If the displacement measured exceeds 1mm the MGB must be removed for repair.Note: DGAC AD 80-194-20(B) dated 17 October 1980 refers. |
| Compliance: | 1. For MGB’s accumulating more than 390 flight hours, within 10 flight hours of operation from the effective date of this AD, thereafter at intervals not to exceed 400 flight hours.For MGB’s having accumulated less than 390 flight hours at the effective date of this AD, before accumulating 400 flight hours, thereafter at intervals not to exceed 400 flight hours.2. Before further flight after the effective date of this AD. |
| This Airworthiness Directive becomes effective on 7 June 2007. | |
| Background: | The measurement detailed in this AD determines the allowable wear limit within the splines on the MGB. The actions detailed in this AD are intended to prevent failure of the MGB and the subsequent loss of control of the helicopter. |
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David Punshon
Delegate of the Civil Aviation Safety Authority
26 April 2007