Document ID: chunk:federal_register_of_legislation:F2008L04604:body:0:p1
Version: federal_register_of_legislation:F2008L04604
Segment Type: other
Provision Reference: 
Character Range: 0–3882

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 737 Series Aeroplanes
AD/B737/350  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.

                Table 1
                Aeroplanes                                                        Auxiliary tank STC(s)
                 Boeing Model 737-200 series aeroplanes                            SA83NE, SA725NE (unless installed with SA725NE-D, Configuration 7), SA1078NE, SA1265EA
                 Boeing Model 737-200C series aeroplanes                           SA725NE (unless installed with
                                                                                   SA725NE-D, Configuration 7)
                 Boeing Model 737-300 series aeroplanes                            SA500NE, SA542NE, SA553NE, SA714NE, SA725NE (unless installed with
                                                                                   SA725NE-D, Configuration 7)
                 Boeing Model 737-400 series aeroplanes                            SA553NE, SA725NE (unless installed with SA725NE-D, Configuration 7)
                 Boeing Model 737-500 series aeroplanes                            SA725NE (unless installed with
                                                                                   SA725NE-D, Configuration 7), ST00040NY, ST01337NY
                 Boeing Model 737-700 series aeroplanes (increased gross weight)   ST00936NY-D (unless installed with Configuration 3), ST01650NY-D
                 Boeing Model 737-800 series aeroplanes                            ST01384NY, ST01384NY-D

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.

             Note 1:  Appendix A of this AD provides criteria that should be included in the deactivation procedure.  The proposed deactivation procedures should be submitted to the Manager, Systems and New Technologies, as soon as possible to ensure timely review and approval.

             Note 2:  FAA AD 2008-22-01 Amdt 39-15696 dated 9 October 2008 refers.
Compliance:  For Requirement 1 - Within 45 days after the effective date of this AD.

             For Requirement 2 - Before 16 December 2009.
             This Airworthiness Directive becomes effective on 15 January 2009.
Background:  This AD requires deactivation of PATS Aircraft, LLC, auxiliary fuel tanks.  This AD results from fuel