Document ID: chunk:federal_register_of_legislation:F2008L01402:body:0
Version: federal_register_of_legislation:F2008L01402
Segment Type: other
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Character Range: 0–6311

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/B727/210  Auxiliary Fuel Tank Systems  6/2008

Applicability:  Model 727 aeroplanes, equipped with an auxiliary fuel tank system installed in accordance with the following United States Federal Aviation Administration (FAA) Supplemental Type Certificates (STC):
                Aircraft Model                                                                                                                                                                                                                                                                                  STC Number             STC Holder
727-200         SA1350NM                                                                                                                                                                                                                                                                                        DTAA, Inc
                                                                                                                                                                                                                                                                                                                101 Deer Meadow Court
                                                                                                                                                                                                                                                                                                                St Charles MO 63304
                727-100                                                                                                                                                                                                                                                                                         ST0158AT               Southeast Aero-Tec, Inc
                                                                                                                                                                                                                                                                                                                                       675 Oleander Drive
                                                                                                                                                                                                                                                                                                                                       Merritt Island FL 32952
                727-200 & -200F                                                                                                                                                                                                                                                                                 SA2033NM & SA1474SO    Southeast Aero-Tec, Inc
                                                                                                                                                                                                                                                                                                                                       675 Oleander Drive
                                                                                                                                                                                                                                                                                                                                       Merritt Island FL 32952
Requirement:    Deactivate the auxiliary fuel tank system, as follows:
                     a. For aeroplanes modified in accordance with STC SA1350NM - In accordance with a deactivation procedure approved by the Manager, FAA Wichita Aircraft Certification Office (ACO).
                     b. For aeroplanes modified in accordance with STC ST0158AT, SA2033NM and SA1474SO - In accordance with a deactivation procedure approved by the Manager, FAA Atlanta ACO.
                Any auxiliary fuel tank system 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 may not result in the need for additional Instructions for Continued Airworthiness (ICA).
                Note 1:  Technical information regarding the auxiliary fuel tanks is available from:
                     a. For aeroplanes modified in accordance with STC SA1350NM - Steve Forness, DTAA, Inc, 101 Deer Meadow Court, St. Charles, MO 63304; telephone (636) 928-9606; fax (314) 749-7513.

                  b. For aeroplanes modified in accordance with STC ST0158AT, SA2033NM and SA1474SO - Randy Smith, President, Southeast Aero-Tec, Inc, 675 Oleander Drive Merritt Island FL 32952; telephone(321) 453-7876;
                  fax (321) 453-7872.
             Note 2:  FAA AD 2008-07-07 Amdt 39-15448 and FAA AD2008-07-09 Amdt
             39-15450 refer.
Compliance:  No later than 12 December 2008.
             This Airworthiness Directive becomes effective on 5 June 2008.
Background:  This Directive results from fuel tank system reviews conducted by the manufacturer.  The Directive is issued to prevent the potential of ignition sources inside fuel tanks, which, in combination with flammable fuel vapours, could result in fuel tank explosions and consequent loss of the aeroplane.

James Coyne
Delegate of the Civil Aviation Safety Authority

21 April 2008