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AD/PW4000/19 - High Pressure Compressor Rear Case
Pratt and Whitney Turbine Engines - PW40Pratt and Whitney Turbine Engines - PW4000 Series
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Pratt and Whitney Turbine Engines - PW4000 Series
| AD/PW4000/19 | High Pressure Compressor Rear Case | 19/2010 |
|---|
| Applicability: | Pratt and Whitney PW4000 engines as specified by models in FAA AD 2003-13-11. |
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| Requirement: | Unless already accomplished perform the initial inspections in accordance with the technical requirements of FAA AD 2003-13-11.Repeat the inspections in accordance with the technical requirements of FAA AD 2003-13-11.Later revisions to PW SB PW4G-112-72-256, dated 2 April 2003, approved by the United States Federal Aviation Administration (FAA) as an Alternate Method of Compliance (AMOC) to FAA AD 2003-13-11, are considered acceptable for compliance with the equivalent Requirements of this AD. |
| Compliance: | As specified in the Requirement Document with a revised effective date of14 October 2010. |
| This Airworthiness Directive becomes effective on 14 October 2010. | |
| Background: | This AD is issued as a result of reported cracks propagating from bolt holes in the High Pressure Compressor (HPC) rear case J flange. The actions specified in this AD are intended to prevent fracturing and rupturing of the HPC rear case. |
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Charles Lenarcic
Delegate of the Civil Aviation Safety Authority
16 September 2010