AD/A330/30 Amdt 4 - Argo-Tech/Intertechnique Vent Float Valves (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/A330/30 Amdt 3 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 A330 Series Aeroplanes AD/A330/30 Amdt 4 Argo-Tech/Intertechnique Vent Float Valves 12/2005

Applicability: Airbus A330 aircraft models -201, -202, -203, -223, -243, -301, -302, -303, -321, -322, -323, -341, -342 and -343 not incorporating Airbus modification 51953 and either 52110 or 53081 in production or Airbus Service Bulletin (SB) A330-28-3088 Rev 1 and either A330-28-3089 Rev 2 or A330-28-3094 in service. Requirement: 1. Perform a detailed visual borescope inspection of the Trim Tank Vent Float Valve (TTVFV) of the left hand and right hand trim tanks in accordance with Airbus Service Bulletin (SB) A330-28-3086 Rev 1 and SB A330-28-3087 Rev 1 or later DGAC approved revisions.

2. Rectify any defects found during the inspections detailed in Requirement 1 of this Directive, in accordance with Airbus SB A330-28-3086 Rev 1 and SB A330-28-3087 Rev 1 or later DGAC approved revisions.

3. TTVFV replacement:

For the RH trim tank vent float valve Argo-Tech PN 61600: