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AD/ECUREUIL/110 - Tail Rotor Controls
Eurocopter AS 350 (Ecureuil) Series HeliEurocopter AS 350 (Ecureuil) Series Helicopters
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Eurocopter AS 350 (Ecureuil) Series Helicopters
| AD/ECUREUIL/110 | Tail Rotor Controls | 6/2005 |
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| Applicability: | Model AS 350 B, BA, BB, B1, B2 and D, helicopters fitted with stainless steel-caged ball-type yaw controls part number:- 704A 34-130-068 with automatic flight control system (pre-MOD 072771),- 704A 34-130-058 without automatic flight control system (pre-MOD 072771). |
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| Requirement: | 1. Remove the stainless steel-caged ball-type control and install the new Teflon-caged ball-type control in accordance with instructions specified in Paragraph 2 the referenced ASB.2. Do not install on the helicopter any stainless steel-caged ball-type yaw controls as identified in the Applicability section of this Directive.Note: DGAC AD F-2005-042 (EASA approval No. 2005-2235 dated 09 March 2005) refers. |
| Compliance: | 1. For helicopters with 2000 hours or more Time In Service (TIS)- within 6 months of the effective date of this Directive.For helicopters with less than 2000 hours TIS,- within 6 months after the helicopter has reached 2000 hours TIS and at the latest by 31 March 2006.2. From the effective date of this Directive.Reference Document: EUROCOPTER AS 350 Alert Service Bulletin (ASB) No. 67.00.26 R1, or subsequent EASA approved revision. |
| This Airworthiness Directive becomes effective on 9 June 2005. |
| Background: | This Airworthiness Directive is issued following multiple cases of binding discovered in the stainless steel-caged ball-type yaw controls which may generate increased control loads or a feeling of seizure at the pedal units. |
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James Coyne
Delegate of the Civil Aviation Safety Authority
28 April 2005