AD/A320/86 Amdt 1 Toilet Systems Rinse Valve Replacement (Cth)

AIRWORTHINESS DIRECTIVE

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/A320/86 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/A320/86 Amdt 1 Toilet Systems - Rinse Valve Replacement 2/2007

Applicability:

Airbus Industrie A319, A320 and A321 series aircraft having toilet systems equipped with Monogram Rinse Valve Part Number (PN) 15800-348, Revision C, and which have not had Airbus Industrie Modification 26145 or Airbus Industrie Service Bulletin (SB) A320-38-1049 embodied.

Requirement:

Replace, in accordance with SB A320-38-1049 dated 22 January 1997 or later DGAC approved revisions, all Monogram rinse valves PN 15800-348 Revision C installed on toilet(s).

Note:  DGAC Airworthiness Directive 97-269-103(B) dated 24 September 1997 refers.

Compliance:

Unless already accomplished, within 50 flight hours or one month after the effective date of this AD, whichever occurs earlier.

This Amendment becomes effective on 15 February 2007.

Background:

Leakage of water from the forward toilet system due to a faulty rinse valve can cause fluid contamination of the aircraft’s avionics bays.

The current amendment of the AD extends the applicability to include Airbus A319, A320 and A321 series aircraft with no change in AD Requirements.

The original issue of this AD became effective on 1 January 1998.

James Coyne
Delegate of the Civil Aviation Safety Authority

5 January 2007