AD/A330/48 - Fire Extinguishing System (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.

Airbus Industrie A330 Series Aeroplanes AD/A330/48 Fire Extinguishing System 4/2005

Applicability: AIRBUS aircraft A330 aeroplanes. Requirement: 1. Carry out restoration of the fire extinguishing system after activation in accordance with the following procedure included in the 1 October 2004 revision of the Aircraft Maintenance Manual (AMM):A330 AMM 26-23-00 Page Block 201 (LDCC-FMS).

2. The following measures are rendered mandatory except for aircraft delivered from the production line after 1 October 2004 (date of revision that includes both the restoration/cleaning task in the AMM and the grease application caution note in the work instructions for Airbus Manufacturing) and on which the fire extinguishing system is confirmed to have never been activated before the effective date of this Directive:

(a) For aircraft on which the fire extinguishing system has been activated at least once before the effective date of this Directive or it is uncertain whether the fire extinguishing system has ever been activated or not:, perform a one time inspection to clean and restore FMS in the LDCC with pressure reducers replacement in accordance with instructions given in AIRBUS Service Bulletin (SB) A330-26-3031 Revision 02 or later DGAC approved revisions.