AD/BEECH 18/17 Amdt 5 - Aircraft Modification, Inspection and Retirement (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 revokes Airworthiness Directive (AD) AD/BEECH 18/17 Amdt 4 and issues the following 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 the 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.

Beechcraft 18 Series Aeroplanes AD/BEECH 18/17 Amdt 5 Aircraft Modification, Inspection 1/2010 and Retirement

Applicability: All Model Beech 18 Series. Requirement: 1. Modify the wing by installing an external strap modification in accordance with FAA AD 75-27-09 R2 paragraph F.

2. Inspect wing structure and strap components in accordance with FAA AD 75-27-09 R2 paragraphs A through C.

3. a. For aeroplanes incorporating the Dee Howard Company STCs SA832SW and SA895SW in combination visually inspect in situ the external strap modification for cracks and/or corrosion, using appropriate optical aids. Pay particular attention to welds at end fittings, bends in the strap, forward and aft edges and the strap sections normally covered by the locating clips.

3. b. For aeroplanes incorporating all other external strap modification STC's, visually inspect in situ for cracks and/or corrosion.

4. Retire aircraft from service.