AD/DH 83/6 - Inspection of Wooden Structure (Cth)

AIRWORTHINESS DIRECTIVE On the effective date specified below, and for the reasons set out in the background section, the CASA delegate whose signature appears below issues the following Airworthiness Directive (AD) under subregulation 39.001 (1) of CASR 1998. The AD requires that the action set out in the requirement section (being action that the delegate considers necessary to correct an unsafe condition) be taken in relation to the aircraft or aeronautical product mentioned in the applicability section: (a) in the circumstances mentioned in the requirement section; and (b) in accordance with the instructions set out in the requirement section; and (c) at the time mentioned in the compliance section.

de Havilland DH 83 (Fox Moth) Series Aeroplanes AD/DH 83/6 Inspection of Wooden Structure 3/2015

Applicability: This AD applies to all variants of DH 83 aircraft. 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. 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 F17, paragraph 2 'DH83 Fox Moth Wooden Structure – Areas for Specific Inspections' of the TNS;