Airworthiness Directives (ADs)
CAA-2012-09-012
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
- 2012/09/20
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Applicability
- To Pratt & Whitney Canada (P&WC) PW901A auxiliary power units (APUs)
approved under Technical Standard Order TSO-C77A and installed on, but not limited to, Boeing
747-400 series airplanes. The affected APU serial numbers are PCE 900001 through PCE 900776
inclusive.
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Model Number
- Boeing 747-400 series airplanes.
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CAA AD Number
- CAA-2012-09-012
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Aeronautics Authority of Original AD
- FAA
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Original AD Number
- 2012-18-14
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Effective Date
- 2012/10/22
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Subject
- We are issuing this AD to prevent separation of the rear gas generator case and release of high energy debris, which could
result in injury and damage to the airplane.
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Reference Publications (Revision/ATA/SB)
- Ref. Pratt & Whitney Canada Alert Service Bulletin No. 3910001-49 A16255, Revision No. 2, dated March 1, 2011.
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Remarks
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