Document ID: chunk:federal_register_of_legislation:F2007L01574:body:0:p1
Version: federal_register_of_legislation:F2007L01574
Segment Type: other
Provision Reference: 
Character Range: 0–3342

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 767 Series Aeroplanes
AD/B767/230  Fire Extinguishing Tube Chafing  7/2007

Applicability:  Boeing Model 767-200 and -300 series aeroplanes with a metered fire extinguisher system in the aft cargo compartment.
Requirement:       1. For aeroplanes identified in Boeing Service Bulletin 767-26A0130,
                   Revision 2, dated 31 October 2006:

                     a. Perform detailed and general visual inspections for discrepancies of the fire extinguishing tube assemblies between station (STA) 1140 and STA 1340, and the insulation of the metered fire extinguisher system and the bleed air duct couplings of the APU located in the aft cargo compartment, as detailed in the Accomplishment Instructions of Boeing Service Bulletin
                     767-26A0130, Revision 2.

                     b. Do all applicable corrective actions in accordance with the service bulletin.

                   Installation of the tube assembly in the correct location, in accordance with the service bulletin, terminates the repetitive inspections for that assembly only.

                   2. For aeroplanes identified in Boeing Alert Service Bulletin 767-26A0123, dated 22 August 2002:

                     a. Perform a general visual inspection for sufficient clearance between the fire extinguishing tube and the APU duct on the left sidewall from STA 1355 through 1365 inclusive, and do all applicable modifications, by doing all the actions specified in the Accomplishment Instructions of Boeing Alert Service Bulletin 767-26A0123.

                     b. If there is insufficient clearance between the fire extinguishing tube and the APU duct, accomplish the modification of the fire extinguishing tube assembly by doing all the actions specified in the Accomplishment Instructions of Boeing Service Bulletin 767-26-0118, Revision 2, dated
                     21 December 2004.

                   Accomplishing the modification in this requirement terminates the repetitive inspections for that assembly only.

             Credit for Actions Accomplished Previously

             Accomplishing the inspections and corrective actions required by requirement 1 of this AD before the effective date of this AD, in accordance with Boeing Alert Service Bulletin 767-26A0130, original issue, or Revision 1, dated 15 December 2005; is considered acceptable for compliance with the corresponding actions in requirement 1 of this AD.

             Accomplishing the actions required by requirement 2.b. of this AD before the effective date of this AD, in accordance with Boeing Service Bulletin 767-26-0118, original issue, or Revision 1, dated 3