Eurocopter AS 350 (Ecureuil) Series Heli
Eurocopter AS 350 (Ecureuil) Series Helicopters
Eurocopter AS 350 (Ecureuil) Series Helicopters
| AD/ECUREUIL/30 Amdt 3 | Main Rotor Sleeve Beams | 8/2009 |
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| Applicability: | All model AS 350 helicopters with main rotor head roving sleeve, upper and lower beams part numbers:350A31.1830.00 and .01; 350A31.1831.00, .01, .04, .05, .06 and .07. |
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| Requirement: | Remove main rotor blades and visually check that sleeve bushes are not separated. If any bush separation is found, remove and replace the sleeve beams concerned. Requirement document is French AD 86-57-44 (B), paragraph C; or USA AD86-19-15, paragraph C.Note: Aerospatiale Telex Service Bulletin No. 01.16 refers (no longer distributed.) |
| Compliance: | Before further flight in the event of a sudden or repeated occurrence of a severe tracking defect.Compliance with Amendment 2 of this directive constitutes compliance with this Amendment. |
| This Amendment becomes effective on 30 July 2009. | |
| Background: | The manufacturer reports cracking in the blade attachment area of the main rotor sleeve beams of a Dauphin SA 365C helicopter. The original issue of this Airworthiness Directive became effective in May 1986. |
| Amendment 1 varied the applicability to refer to specific sleeve attach beam part numbers. | |
| Amendment 2 corrected the requirement document reference number. | |
| This Amendment is issued to reduce reliance on Service Bulletin No. 01.16 which is no longer distributed; and to identify French and USA Airworthiness Directives. |
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David Villiers
Delegate of the Civil Aviation Safety Authority
18 June 2009