AD/AT 800/2 Amdt 4 - Airframe Life Limits (Cth)

AIRWORTHINESS DIRECTIVE For the reasons set out in the background section, the CASA delegate whose signature appears below revokes Airworthiness Directive (AD) AD/AT 800/2 Amdt 3 and issues the following AD under subregulation 39.1 (1) of CAR 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 800/2 Amdt 4

Airframe Life Limits 8/2001 DM

Applicability: All models AT-802 and AT-802A aeroplanes.

Requirement: Retire from service the airframe components listed in the Retirement Schedule below.

RETIREMENT SCHEDULE Component Part No. Aircraft S/N Retirement Life (Flight Hours) Wing Attach Block on Lower Cap 20602-1 All 6500 (See Note 1) Wing Attach Block on Lower Cap 20602-2 All 6500 (See Note 1) Plate Assembly – Fin Front Spar Attach 30511-1 0001 thru 0041 4000 (See Note 2) 0042 and up 20000 Spar Assembly – Fin Rear 30505-1 0001 thru 0041 4000 (See Note 2) 0042 and up 20000 Spring - Main Landing Gear Leg (including the forward and aft main gear clamp block bolts and the inboard main gear large bolt). 40091-2 All 1000 hours or 2500 landings, whichever occurs first. Spring - Main Landing Gear Leg (including the forward and aft main gear clamp block bolts and the inboard main gear large bolt). 40091-3 All 3000 hours or 8000 landings, whichever occurs first. Spring – Tail Landing Gear 40092-5 All 2500 hours or 7000 landings, whichever occurs first. Spring – Tail Landing Gear 40092-6 All 3000 hours or 8000 landings, whichever occurs first.