Document ID: chunk:federal_register_of_legislation:F2005L00094:body:0:p1
Version: federal_register_of_legislation:F2005L00094
Segment Type: other
Provision Reference: 
Character Range: 0–3134

AIRWORTHINESS DIRECTIVE
For the reasons set out in the background section, the CASA delegate whose signature appears below revokes Airworthiness Directive (AD) AD/A330/41 and issues the following AD under subregulation 39.1 (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/A330/41 Amdt 1  Passenger Gaseous Oxygen  2/2005
                   Containers Diaphragm

Applicability:  Model A330 aeroplanes, all serial numbers, on which Airbus modification 40257 has been embodied during production (installation of Passenger Gaseous Oxygen System) but on which Airbus modification 53578 was not embodied.
                Note 1:  Aircraft delivered after 11 September 2004, the effective date of DGAC Airworthiness Directive (AD) F-2004-152, are not affected by the requirements of this Directive.
Requirement:       1. The following dispatch limitations are mandatory for all flights:
                    - When dispatch is made with either one Cabin Pressure Controller (CPC) inoperative (MMEL item 21-31-01) or one air conditioning pack inoperative (MMEL 21-52-01), operators MUST ensure that from any point of the route, obstacle clearance is ensured to allow a rapid descent to FL 100.

                    In that respect, following MMEL procedure must be added in the dispatch conditions for one CPC or one air conditioning pack inoperative:

                    "... provided from any point of the route,
                    obstacle clearance is ensured to allow
                    a rapid descent to FL 100."

                    - When dispatch is made with one bleed air supply system inoperative (MMEL item 36-11-01), operators MUST ensure that from any point of the route, obstacle clearance is ensured to allow a rapid descent to FL 220 in case of remaining bleed failure.  At FL 220, APU bleed air supply system is used for cabin pressurization.

                    In that respect, following MMEL procedure must be added in the dispatch conditions for one bleed air supply inoperative:

                    "... provided from any point of the route,
                    obstacle clearance is ensured to allow
                    a rapid descent to FL 220."

   Incorporation of MMEL TR N° 01-21/01Z ISSUE 01 and MMEL TR N° 01-36/01Z ISSUE 01 or a copy of this Directive in the aircraft operations manual is a satisfactory method of complying with this Requirement.
      2. Identify the part number(s) (P/N) of the passenger gaseous oxygen container assemblies either installed on the aircraft or held as spares.  For container assembly P/N(s) not listed in Airbus All Operator Telex (AOT) 35A3013 Revision 01, no further action is required by