AD/PW4000/18 - State of Design Airworthiness Directives (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 39.001(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.

Pratt and Whitney Turbine Engines - PW4000 Series AD/PW4000/18 State of Design Airworthiness Directives 19/2010 Applicability: Pratt and Whitney PW4000 engines - all series. Requirement: 1. Determine the applicability of the FAA Airworthiness Directives (AD) listed in Table 1.

2. If it is determined that a FAA AD listed in Table 1 is applicable and has not been previously accomplished, perform the actions required by that AD or later revision.

Service Bulletins approved by FAA as an Alternative Methods of Compliance (AMOC) to the ADs listed in Table 1 are considered acceptable for compliance with the equivalent requirements of this Airworthiness Directive. Table 1 FAA AD Service Bulletin Title 90-22-02 ASB PW4ENG 72-328 Low Pressure Turbine Shaft 93-08-16 ASB 747-73A2055, ASB 767-73A0033 Fuel Pump 2003-19-15 Refer to the list of SBs in the FAA AD High-Pressure-Compressor (HPC) Surges 2006-22-13 SB PW4G-112-72-282, Revision 1 Anti-rotation Slots 2007-04-26 ASB PW4G-112-A72-280 Revision 2 High Pressure Compressor (HPC) exit brush seal packs 2008-24-13 ASB PW4ENG A73-214 Revision 2 Electronic Engine Controls (EECs) 2009-04-02 SB PW4G-112-72-290 Front Turbine Hub