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AD/DH 60/10 - Inspection of Wooden Structure
de Havilland DH 60 (Moth) Series Aeroplade Havilland DH 60 (Moth) Series Aeroplanes
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de Havilland DH 60 (Moth) Series Aeroplanes
| AD/DH 60/10 | Inspection of Wooden Structure | 3/2015 |
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| Applicability: | This AD applies to all variants of DH 60 aircraft. |
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| Definitions: | In this AD:DHSL means de Havilland Support Ltd.TNS means DHSL Technical News Sheet CT (Moth) No. 32, Issue 3, dated 1 December 2008. |
| Requirement: | For all aircraft:1. Suspend all aerobatic flight.2. Unless previously accomplished:(a) install all inspection rings and drainage provisions in accordance with the provisions of Figure 3 of Appendix G of the TNS;(b) gain access to the internal structure by removing all ‘pop-in’ panels, or otherwise cut away the fabric from inside inspection rings to facilitate access to the entire internal wooden structure;(c) perform a detailed inspection of the internal wooden structure in accordance with the inspection criteria provided at Appendix B, paragraph 6 ‘Inspection Content’ and take into consideration Appendix F, page F1, paragraph 2 ‘DH60 Series Wooden Structure – Areas for Specific Inspections’ of the TNS;(d) remove all unserviceable wooden structure from service, or conduct repairs in accordance with approved data.3. Report all defects discovered to CASA via the Service Difficulty Reporting System. |
| Compliance: | 1. The action in Requirement 1 must be taken within 2 weeks of the effective date of this AD. Aerobatic flight can only recommence once the airworthiness of the wooden structure of the wings and empennage has been established in accordance with Requirement 2 of this AD. |
| 2. The actions in Requirement 2 must be taken:(a) for aircraft used for commercial purposes as prescribed in regulation 206 of the Civil Aviation Regulations 1988 (CAR 1988) – within two months of the effective date of this AD;(b) for all other aircraft – by the end of 31 December 2015. | |
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| The actions in Requirement 2 must be repeated at the earlier of the following:(i) every 200 hours;(ii) within 36 months of the previous inspection;(iii) in the event of a ground strike, birdstrike or any other wing strike of sufficient magnitude to leave witness marks on the fabric covering, or otherwise obvious damage to a wing. In the case of such an event, both the top and bottom wings are to be inspected on the side of the aircraft where the impact occurred.3. The action in Requirement 3 must be taken in accordance with Part 4B – Defect Reporting of CAR 1988. |