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AD/S-PUMA/65 - Main Servo-Control Attachment Bolts
Eurocopter AS 332 (Super Puma) Series HeEurocopter AS 332 (Super Puma) Series Helicopters
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Eurocopter AS 332 (Super Puma) Series Helicopters
| AD/S-PUMA/65 | Main Servo-Control Attachment Bolts | 12/2006 TX |
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| Applicability: | EUROCOPTER AS 332 C, C1, L, L1 and L2 helicopters. |
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| Requirement: | 1. Check the torque and condition of the three bolts that attach the main servo-controls to the non-rotating swash-plate, in accordance with paragraph 2.B. of the EUROCOPTER Alert Service Bulletin (ASB) No. 67.00.36 or later DGAC approved revisions.2. If there is a crack in the bolts or if the differential wear on the diameter of the bolts, between the areas defined in paragraph 2.B. of EUROCOPTER ASB No. 67.00.36 or later DGAC approved revisions, is more than 0.05 mm, scrap the bolts.3. For any main rotor servo-control/non- rotating swash-plate attachment bolt having logged operating hours and held as spares, comply with the instructions given in paragraph 2.B.2. of EUROCOPTER ASB No. 67.00.36 or later DGAC approved revisions.Note: EASA AD 2006-0306-E dated 10 October 2006 refers. |
| Compliance: | 1. On attachment bolts having logged 500 operating hours or more, within 15 flying hours.2. Before further flight after the effective date of this AD.3. Before installation on a helicopter. |
| This Airworthiness Directive becomes effective on 17 October 2006. |
| Background: | This AD is issued following the failure of an attachment bolt securing the main rotor right hand servo-control to the non-rotating swash-plate. Failure of the servo-control/swash-plate attachment in flight will lead to a catastrophic situation. |
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James Coyne
Delegate of the Civil Aviation Safety Authority
12 October 2006