AD/A320/96 Amdt 2 - Alternate Braking System Check

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On the effective date specified below, and for the reasons set out in the background section, the CASA delegate whose signature appears below revokes Airworthiness Directive (AD) AD/A320/96 Amdt 1 and issues the following 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 A319, A320 and A321 Series Aeroplanes
AD/A320/96 Amdt 2
Alternate Braking System Check
All Airbus Industrie model A319, A320 and A321 aircraft.

1.    For aircraft which do not have Modification 27833 or Airbus Industrie Service Bulletin A320-32-1200 embodied, perform the functional test and, when necessary, the associated maintenance tasks described in paragraph 4 of Airbus Industrie AOT 32-19 at Revision 1, 2 or 3.  The accomplishment of Service Bulletin A320-32-1200 or modification 27833 cancels the weekly in flight check required by A.O.T 32-19.
2.    For aircraft which have Modification 27833 or Airbus Industrie Service Bulletin A320-32-1200 embodied, perform the inspection defined in Airbus Industrie Service Bulletin A320-32-1199.
3.    Report results of all inspections carried out in accordance with requirement 1, or 2 above to Airbus Industrie.
4.    Incorporate the requirements of Airbus Industrie Service Bulletin A320-32-1203.  Embodiment of this Service Bulletin or Airbus Industrie production modification 28301 provides terminating action for this Directive.
Note:  DGAC 2000-258-146(B) dated June 14, 2000 refers.

1.        Every week.
2.    Every 6 months after the embodiment of modification 27833 or Airbus Industrie Service Bulletin A320-32-1200.
3.        On completion of requirement 1 or 2 above.
4.    Unless previously carried out by 30 June 2001.

This Amendment becomes effective on 15 February 2013.

Investigation into an incident involving an A320 aircraft showed that seizure of the alternate brake valve distribution body (BDDV) had been caused by water ingress into the valve.  The measures introduced by the initial issue of this Directive provides inspection and operational tests to prevent a dormant in-flight failure of the alternate braking system pending the release of a permanent modification.
Amendment 1, effective 15 June 2000, was raised to provide terminating action for this Airworthiness Directive.
This amendment is raised to correct the AD reference in the note.  DGAC AD
1998-262-120(B) R4 dated 8 September 1999 has been superseded by DGAC AD
2000-258-146(B) dated 14 June 2000.
There is no technical change to the requirements (beyond specifying a terminating action for Requirement 1) and no change to the compliance from the previous amendment.  Compliance with the previous amendment of this AD constitutes compliance with this amendment.
Exclusions granted to Amendment 1 of this AD remain valid against this amendment.
Amendment 1 of the Airworthiness Directive became effective on 15 June 2000.
The original issue of this Airworthiness Directive became effective on 22 April 1999.

Mike Higgins
Delegate of the Civil Aviation Safety Authority
7 February 2013