交通部民用航空局

發布日期

2011/12/10

適用性說明

to the following Pratt & Whitney Division (PW) turbofan engines, with high-pressure turbine (HPT) stage 1 airseal, part number (P/N) 50L879; HPT stage 2 airseal, P/N 53L030; or HPT stage 1 airseal ring, P/N 50L664, installed: (1) PW4000-100'' Engines PW4000-100'' engine models PW4164, PW4164C, PW4164C/B, PW4168, and PW4168A. (2) PW4000-94'' Engines (i) PW4000-94'' engine models PW4060, PW4060A, PW4060C, PW4062, PW4062A, PW4156A, PW4158, PW4160, PW4460, and PW4462 that have incorporated either Engineering Change Numbers EC92KK322G, H, I, J, and K, or one of the following PW Service Bulletins (SBs): PW4ENG 72-490, PW4ENG 72-504, PW4ENG 72-512, PW4ENG 72-572, PW4ENG 72-588, PW4ENG 73-150; as indicated with a (-3), (-3A), or (-3B) suffix on the engine data plate. (ii) PW4000-94'' engine models PW4050, PW4052, PW4056, PW4152, PW4156, and PW4650 that have incorporated either Engineering Change Numbers EC92KK322G, H, I, J, and K, or one of the following PW SBs: PW SB PW4ENG 72-490, PW4ENG 72-504, PW4ENG 72-512, PW4ENG 72-572, PW4ENG 72-588, PW4ENG 73-150; as indicated with a (-3), (-3A), or (-3B) suffix on the engine data plate.

型別

Pratt & Whitney Division (PW) PW4000 Series Turbofan Engines

民航局AD編號

CAA-2011-12-002

原發布國

FAA

原AD編號

2011-25-09

生效日期

2012/01/10

主旨摘要

To prevent failure of these parts, which could lead to an uncontained engine failure and damage to the airplane.

參考資訊（版本/ATA/SB）

None.

存檔序號

100-12-002

專業分項

Powerplant

產品類別

Airplane

備註

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