AD/B727/216 - Auxiliary Fuel Tanks (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.

Boeing 727 Series Aeroplanes AD/B727/216 Auxiliary Fuel Tanks 1/2009

Applicability: This AD applies to the following aeroplanes fitted with the Auxiliary tank STC(s) listed in Table 1 of this AD. Aeroplanes Auxiliary tank STC(s) Boeing Model 727 series aeroplanes SA62NE, SA392NE, SA530NE Boeing Model 727-100 series aeroplanes SA62NE, SA387NE, SA392NE, SA530NE, ST00466NY Boeing Model 727-200 series aeroplanes SA84NE, SA387NE, SA450NE, SA496NE

Requirement: 1. Submit a report to the Manager, Systems and New Technologies, Airworthiness Engineering Group CASA, Fax (02) 6217 1914.

The report must include the following information:

(a) The aeroplane registration and auxiliary tank STC number installed.

(b) The usage frequency in terms of total number of flights per year and total number of flights per year for which the auxiliary tank is used.

2. Deactivate the auxiliary fuel tanks, in accordance with a deactivation procedure approved by CASA. Any auxiliary tank component that remains on the aeroplane must be secured and must have no effect on the continued operational safety and airworthiness of the aeroplane. Deactivation must not result in the need for additional instructions for continued airworthiness.