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AD/A330/62 - CFRP Rudder
Airbus Industrie A330 Series AeroplanesAirbus Industrie A330 Series Aeroplanes
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Airbus Industrie A330 Series Aeroplanes
| AD/A330/62 | CFRP Rudder | 10/2006 |
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| Applicability: | All Model A330-300 aircraft, with CFRP rudder part number A55471500 series installed; and any rudder part number A55471500 series stored as a spare part. |
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| Requirement: | Action in accordance with EASA AD 2006-0124.Note: Airbus All Operator Telex A330-55A3036, dated 2 March 2006; or later EASA approved revision, refers. |
| Compliance: | As specified in the Requirement document. |
| This Airworthiness Directive becomes effective on 28 September 2006. | |
| Background: | During maintenance of an A300-600 aircraft, the carbon fibre reinforced plastic (CFRP) rudder was damaged. For damage assessment the lower rudder rib was removed. Other than the impact damage at the trailing edge location, an inner skin to honeycomb core disbond was detected at the lower skin close to the front spar. As part of the repair process, inspection revealed an area of damage on the inner skin starting at the junction between the rudder spar and the lower rib. Traces of hydraulic fluid were found in the disbonded area. Further tests showed a rapid propagation of the existing damage during artificial pressure testing. Analyses revealed reduced inner skin bonding characteristics together with limited contamination by hydraulic fluid. The rudder fitted to the A300-600 aircraft involved in this event is also installed on certain A330 aircraft. |
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David Villiers
Delegate of the Civil Aviation Safety Authority
17 August 2006