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AD/SA 315/7 - Main Rotor Blades
Eurocopter SA 315 (Lama) Series HelicoptEurocopter SA 315 (Lama) Series Helicopters
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Eurocopter SA 315 (Lama) Series Helicopters
| AD/SA 315/7 | Main Rotor Blades | 12/2006 |
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| Applicability: | Model SA 315 B helicopters, fitted with main rotor blades part numbers:3160S11-30-000, all dash numbers,3160S11-40-000, all dash numbers,3160S11-50-000, all dash numbers. |
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| Requirement: | 1. Action in accordance with paragraph 2.1 of Eurocopter Service BulletinNo. 65-38 R1.If the results of the checks are satisfactory, before further flight, modify the blade part numbers in accordance with paragraph 2.3 of the Requirement document, and return the blades to service.2. If the results of the checks are not satisfactory, remove the blades from service.Note: DGAC AD 93-104-034(B) R2 refers. |
| Compliance: | 1.a. Unless already accomplished, before 2,900 flight hours since new or since reconstruction for blades which have logged less than 2,800 flight hours since new or since reconstruction, as applicable, at the effective date of this Directive.1.b. Unless already accomplished, within 100 flight hours after the effective date of this Directive for blades which have logged 2,800 flight hours or more since new or since reconstruction, as applicable.2.a. For blades subject to Compliance 1.a.; upon logging 3,000 flight hours since new or since reconstruction, as applicable.2.b. For blades subject to Compliance 1.b.; within 200 flight hours after the effective date of this Directive. |
| This Airworthiness Directive becomes effective on 23 November 2006. |
| Background: | This Directive requires certain actions in order to prevent main rotor blade fatigue damage initiated by fretting corrosion, caused by the incorrect positioning of the blade root reinforcement band. |
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David Villiers
Delegate of the Civil Aviation Safety Authority
13 October 2006