Document ID: chunk:federal_register_of_legislation:F2008L02896:body:0:p1
Version: federal_register_of_legislation:F2008L02896
Segment Type: other
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Character Range: 0–3806

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.

International Aero Engines AG V2500 series
AD/V2500/5  No. 4 Bearing Oil System Components  9/2008

Applicability:  International Aero Engines AG (IAE): IAE V2500-A1, V2522-A5, V2524-A5, V2527-A5, V2527E-A5, V2527M-A5, V2530-A5, V2533-A5, V2525-D5, and V2528-D5 turbofan engines with a part listed by part number (P/N) in this AD installed.

                Note 1:  These engines are installed on, but not limited to, Airbus A319, A320, A321, and McDonnell Douglas MD-90 aeroplanes.
Requirement:       1. V2500-A1 Engines:

                   For V2500-A1 engines, remove the parts listed by P/N in the following Table 1 of this AD.  The ATA chapter reference of the IAE V2500-A1 engine manual
                   (E-V2500- 1IA) contains information on removing the parts.

                Table 1. - V2500-A1 Parts To Be Removed
                ATA chapter   P/N           Nomenclature
                reference
                72-42-20      2A0367-01     Tube Assy of, Weep, No. 4 Bearing Outer.
                72-42-20      2A2873-01     Tube Assy of, Weep, No. 4 Bearing Outer.
                72-42-20      2A0830-01     Tube, Scavenge, No. 4 Bearing Assy.
                72-42-20      2A1949-01     Tube, Scavenge, No. 4 Bearing Assy.
                72-42-20      2A2028-01     Tube, Scavenge, No. 4 Bearing Assy.
                72-42-20      2A0830-001    Tube, Scavenge, No. 4 Bearing Assy.
                72-42-20      2A2274-01     Tube, Scavenge, No. 4 Bearing Assy.
                72-42-33      2A0853        Seal Assy, No. 4 Bearing, Front.
                72-42-33      2A2055        Seal Assy, No. 4 Bearing, Front.
                72-42-33      2A2834        Seal Assy, No. 4 Bearing, Front.
                72-42-33      2A2930        Seal Assy, No. 4 Bearing, Front.
                72-42-33      2A3525        Seal Assy, No. 4 Bearing, Front.
                72-42-33      2A3538        Seal Assy, No. 4 Bearing, Front.
                72-42-33      2A0851        Support Assy, No. 4 Bearing Seal.
                72-42-33      2A2833        Support, No. 4 Bearing, Seal Assy.
                72-42-33      2A3537        Support, No. 4 Bearing Seal Assy.
                72-42-35      2A0892-01     Duct Assy, Cooling Air, No. 4 Bearing, Front.
                72-42-35      2A2257-01     Duct Assy, Cooling Air, No. 4 Bearing, Front.
                72-43-20      2A2056        Seal Assy, No. 4 Bearing, Rear.
                72-43-20      2A2931        Seal Assy, No. 4 Bearing, Rear.
                72-43-20      2A3526        Seal Assy, No. 4 Bearing, Rear.
                72-43-20      2A0847        Seal Ring Holder.
                72-43-20      2A0891-01     Duct Assy, Cooling Air, No. 4 Bearing, Rear.
                72-43-20      2A1205-01     Duct Assy, Cooling Air, No. 4 Bearing, Rear.
                72-43-20      2A3078-01     Duct Assy, Cooling Air, No. 4 Bearing, Rear.
                72-45-11      2A0594        Metering Plug, HPT Hub, Stage 1.
                72-45-11      2A1040        Metering Plug, HPT Hub, Stage 1.
                72-45-11      2A2181        Metering Plug,