AD/A330/19 - Thrust Reverser - Directional Pilot Valve Pressure Test/Replacement (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 39.1 (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/A330/19 Thrust Reverser - Directional Pilot Valve Pressure Test/Replacement

8/2003

Applicability: Airbus A330 series Aeroplanes with General Electric Company (GE) CF6-80E1 series turbofan engines installed.

Requirement: 1. In accordance with paragraph 2.B. and 2.C. of the Accomplishment Instructions of Middle River Aircraft Systems Alert Service Bulletin (ASB) 78A5053 dated 30 October 2001, carry out a Directional Pilot Valve (DPV) assembly pressure test for leakage, and;

1. as necessary, replace the DPV assembly with a serviceable assembly and;

b. successfully accomplish a systems test of the thrust reverser; OR

2. In accordance with paragraph 2.B. and 2.C. of the Accomplishment Instructions of Middle River Aircraft Systems ASB 78A5053 dated 30 October 2001, replace the DPV assembly with a serviceable assembly and successfully accomplish a systems test of the thrust reverser; OR

3. In accordance with paragraph 2.B. and 2.C. of the Accomplishment Instructions of Middle River Aircraft Systems ASB 78A5053 dated 30 October 2001, deactivate the thrust reverser; and