Airworthiness Directives (ADs)
CAA-2012-08-008
The aircraft owner or operator shall comply with Airworthiness Directives issued by the CAA or the aeronautics authority of the State of Design (SoD) of the aviation products, appliances and parts, and take all necessary actions thereto.
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Issue Date
- 2012/08/29
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Applicability
- (1) PW4052, PW4152, and PW4056 turbofan engines, including models with any dash number suffix, with a high-pressure turbine (HPT) stage 1 front hub part number (P/N) listed in Table 1 to paragraph (c) of this AD installed. (2) PW4156A, PW4060, PW4060A, PW4060C, PW4062, PW4062A, PW4158, PW4460, and PW4462 turbofan engines, including models with any dash number suffix, with an HPT stage 1 front hub P/N listed in Table 1 to paragraph (c) of this AD installed. (3) PW4164, PW4164C, PW4164C/B, PW4168, and PW4168A turbofan engines with an HPT stage 1 front hub, P/N 51L901, installed with an S/N not listed in Table 3 of the Accomplishment
Instructions of Pratt & Whitney ASB No. PW4G-100-A72-246, dated June 28, 2012.
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Model Number
- Pratt & Whitney Division PW4000, PW4100, PW4400 turbofan engines.
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CAA AD Number
- CAA-2012-08-008
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Aeronautics Authority of Original AD
- FAA
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Original AD Number
- 2012-16-01
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Effective Date
- 2012/09/28
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Subject
- Engine - high-pressure turbine (HPT) stage 1 front hubs - Removal/ Installation
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Reference Publications (Revision/ATA/SB)
- (i) Pratt & Whitney Alert Service Bulletin (ASB) No. PW4ENG A72-821, dated July 6, 2012. (ii) Pratt & Whitney ASB No. PW4G-100-A72-246, dated June 28, 2012.
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Remarks
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