AD/AT 800/6 - Horizontal Stabiliser Attachment Eyebolts (Cth)

AIRWORTHINESS DIRECTIVE 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 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.

Airtractor 800 Series Aeroplanes AD/AT 800/6 Horizontal Stabiliser Attachment Eyebolts 9/2005

Applicability: Model AT-802 and AT-802A aircraft, with serial numbers up to and including 802A-0188 that have any 7/16-inch eyebolt (part number AN47-30A) installed; aircraft with serial number 802A-0189 and subsequent; and all aircraft that have any 9/16-inch eyebolt (part number 30775-1) installed. Requirement: 1. Tighten the four eyebolts that attach the front and rear spar of the horizontal stabiliser to the respective stabiliser strut using the torque values referenced in Snow Engineering Co. Service Letter (SL) No. 129, revised 21 October 2004.

2. Replace eyebolts that attach the front and rear spar of the horizontal stabiliser to the respective stabiliser strut, in accordance with SL No. 129, Issued 26 September 1994, Revised 21 October 2004.

3. For aircraft with serial numbers up to and including 802A-0188: As an alternative in order to use the increased replacement compliance times in Requirement 2 of this Directive, replace the steel brace assembly inside the stabiliser with a new steel brace assembly with larger bushings, and replace any 7/16-inch eyebolt with the 9/16-inch eyebolt part number 30775-1; in accordance with SL 129A, dated 7 August 2004.