crk29g2000007m2b

HONG KONG AIRLINES

MANUFACTURER'S SPECIFICATION CHANGE NOTICE

(MSCN)

MSCN Number CRK29G2000007M2B Issue 2 Dated 11-Jun-2012 of 3

Price per direct buy aircraft

US DOLLARS : No Charge

AT DELIVERY CONDITIONS : Not Applicable. This change will be effective on CRK*B AIRCRAFT N° A/C 006 and subsequent.

Provided MSCN is not rejected by 23 July 2012 Buyer Approval Seller Approval By : By : Richard SIMON Customisation Account Director Customer Affairs Date : Date : 11 June 2012

Title: Hydraulic Power - Ram Air Turbine (RAT) - Introduce RAT design standard P/N 1702934E Description

The modification introduces a new standard of Ram Air Turbine (RAT).

Effect on weight

Manufacturer’s Weight Empty Change : Negligible Operational Weight Empty Change : Negligible Allowable Payload Change : Negligible

Remarks / References MP : MOD : 202537 HYDRAULIC POWER - GREEN AUXILIARY HYD PWR - RAT - MODIFY RAT PUMP HEX SHAFT FOR BASIC A/C

Specification changed by this MSCN A330-300 Aircraft Standard Specification Reference N° G 000 03000 Issue 07 Revision 05 Temporary Revision 00 dated 30-Apr-2008

HONG KONG AIRLINES


(MSCN)


Specification repercussion:

After contractual agreement with respect to weight, performance, delivery, etc, the indicated part of the specification wording will read as follows :

SFE changes: Qty Description

Part/Spec N°

Vendor Remarks

1 RAM AIR TURBINE 1702934E

HAMILTON SUNDSTRAND CORPORATION

HONG KONG AIRLINES


(MSCN)


Scope of change (FOR INFORMATION ONLY)

During test, the RAT did not pressurize on some occasions the green hydraulic system and investigation at the pump manufacturer revealed that the impeller was disconnected. In order to restore the capability of the Ram Air Turbine, the modification consists in introducing a new improved pumps with new impeller driveshaft. The change leads to a new Ram Air Turbine P/N 1702934E. Pre-requisit information: • This modification demands the previous embodiement of MOD 201043 (CL29.20.000/05) introducing RAT actuator P/N 5915768 and RAT P/N 1702934B Interchangeability : One-way interchangeable: - When the old RAT P/N 1702934B is removed, it may be replaced either with the old or the new P/N 1702934E. - When the new RAT P/N is removed, it must be replaced with the new P/N.

crk29g2000007m2b

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