AD/A330/95 Amdt 2 - Air Data Inertial Reference Unit Operational Procedure (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/A330/95 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 A330 Series Aeroplanes AD/A330/95 Amdt 2 Air Data Inertial Reference Unit Operational Procedure 3/2009 TX

Applicability: A330 aircraft, models -201, -202, -203, -223, -243, -301, -302, -303, -321, -322, -323, -341, -342 and -343, all serial numbers, equipped with Northrop-Grumman (formerly Litton) Air Data Inertial Reference Unit (ADIRU) Part Number (P/N) 465020-0303-03ZZ (with ZZ from 09 up to 16 inclusive). Requirement: Apply the following operational procedure: - NAV - IR 1 (2) (3) FAULT Turn off the affected IR. Turn off the corresponding ADR. Set the affected IR mode rotary selector must be set to OFF. Use AIR DATA switching as appropriate. Use ATT HDG switching as appropriate. - NAV - IR 1+2 (2+3) (1+3) FAULT Note: Flight controls are in alternate law. Refer to F/CTL – ALTN LAW (chapter 4 of the AFM). Turn off the affected IRs Turn off the corresponding ADRs. Set the affected IR mode rotary selector must be set to OFF. Use AIR DATA switching as appropriate. Use ATT HDG switching as appropriate. Do not use speed brakes • If CG above 32%: Manually perform a forward fuel transfer from the trim tank. Note: If trim tank pump is not available, do not perform manual forward fuel transfer while speed is at or below 270 kt or while in climb. Note 1: This operational procedure is covered by Temporary Revision (TR) of the Aircraft Flight Manual (AFM) A330 AFM TR 4.02.00/46 Issue 3 (OEB N°74/4). Incorporation of the AFM TR or inserting the above operational procedure or a copy of this Directive into the AFM is acceptable to comply with the requirements of this Directive. Note 2: EASA Emergency AD 2009-0012-E refers.